Home / 113,956.20-157,259.07-62,972.64

Finding the Fourth Proportional to 113,956.20, 157,259.07 and 62,972.64

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Solution

The fourth proportional to 113,956.20, 157,259.07 and 62,972.64 is: 86,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,956.20 : 157,259.07 = 62,972.64 : x
  2. Step 2: Convert to fraction form
    113,956.20/157,259.07 = 62,972.64/x
  3. Step 3: Cross multiply
    113,956.20x = 157,259.07 × 62,972.64
  4. Step 4: Simplify right side
    113,956.20x = 9,903,018,801.84
  5. Step 5: Solve for x
    x = 9,903,018,801.84/113,956.20
  6. Step 6: Final answer
    x = 86,901.97

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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.