Home / 113,875.84-157,145.70-62,892.28

Finding the Fourth Proportional to 113,875.84, 157,145.70 and 62,892.28

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Solution

The fourth proportional to 113,875.84, 157,145.70 and 62,892.28 is: 86,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,875.84 : 157,145.70 = 62,892.28 : x
  2. Step 2: Convert to fraction form
    113,875.84/157,145.70 = 62,892.28/x
  3. Step 3: Cross multiply
    113,875.84x = 157,145.70 × 62,892.28
  4. Step 4: Simplify right side
    113,875.84x = 9,883,251,365.20
  5. Step 5: Solve for x
    x = 9,883,251,365.20/113,875.84
  6. Step 6: Final answer
    x = 86,789.71

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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.