Home / 113,430.17-156,528.27-62,441.87

Finding the Fourth Proportional to 113,430.17, 156,528.27 and 62,441.87

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Solution

The fourth proportional to 113,430.17, 156,528.27 and 62,441.87 is: 86,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,430.17 : 156,528.27 = 62,441.87 : x
  2. Step 2: Convert to fraction form
    113,430.17/156,528.27 = 62,441.87/x
  3. Step 3: Cross multiply
    113,430.17x = 156,528.27 × 62,441.87
  4. Step 4: Simplify right side
    113,430.17x = 9,773,917,104.02
  5. Step 5: Solve for x
    x = 9,773,917,104.02/113,430.17
  6. Step 6: Final answer
    x = 86,166.82

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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.