Home / 113,378.19-156,463.32-62,396.79

Finding the Fourth Proportional to 113,378.19, 156,463.32 and 62,396.79

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Solution

The fourth proportional to 113,378.19, 156,463.32 and 62,396.79 is: 86,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,378.19 : 156,463.32 = 62,396.79 : x
  2. Step 2: Convert to fraction form
    113,378.19/156,463.32 = 62,396.79/x
  3. Step 3: Cross multiply
    113,378.19x = 156,463.32 × 62,396.79
  4. Step 4: Simplify right side
    113,378.19x = 9,762,808,920.74
  5. Step 5: Solve for x
    x = 9,762,808,920.74/113,378.19
  6. Step 6: Final answer
    x = 86,108.35

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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.