Home / 113,250.15-169,929.90-79,898.40

Finding the Fourth Proportional to 113,250.15, 169,929.90 and 79,898.40

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Solution

The fourth proportional to 113,250.15, 169,929.90 and 79,898.40 is: 119,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,250.15 : 169,929.90 = 79,898.40 : x
  2. Step 2: Convert to fraction form
    113,250.15/169,929.90 = 79,898.40/x
  3. Step 3: Cross multiply
    113,250.15x = 169,929.90 × 79,898.40
  4. Step 4: Simplify right side
    113,250.15x = 13,577,127,122.16
  5. Step 5: Solve for x
    x = 13,577,127,122.16/113,250.15
  6. Step 6: Final answer
    x = 119,886.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.