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Finding the Fourth Proportional to 169,575.10, 254,362.65 and 51,264.70

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Solution

The fourth proportional to 169,575.10, 254,362.65 and 51,264.70 is: 76,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,575.10 : 254,362.65 = 51,264.70 : x
  2. Step 2: Convert to fraction form
    169,575.10/254,362.65 = 51,264.70/x
  3. Step 3: Cross multiply
    169,575.10x = 254,362.65 × 51,264.70
  4. Step 4: Simplify right side
    169,575.10x = 13,039,824,943.46
  5. Step 5: Solve for x
    x = 13,039,824,943.46/169,575.10
  6. Step 6: Final answer
    x = 76,897.05

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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.