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Finding the Fourth Proportional to 169,577.70, 234,018.12 and 105,952.39

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Solution

The fourth proportional to 169,577.70, 234,018.12 and 105,952.39 is: 146,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,577.70 : 234,018.12 = 105,952.39 : x
  2. Step 2: Convert to fraction form
    169,577.70/234,018.12 = 105,952.39/x
  3. Step 3: Cross multiply
    169,577.70x = 234,018.12 × 105,952.39
  4. Step 4: Simplify right side
    169,577.70x = 24,794,779,117.31
  5. Step 5: Solve for x
    x = 24,794,779,117.31/169,577.70
  6. Step 6: Final answer
    x = 146,214.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.