Home / 109,948.74-151,720.90-62,205.17

Finding the Fourth Proportional to 109,948.74, 151,720.90 and 62,205.17

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Solution

The fourth proportional to 109,948.74, 151,720.90 and 62,205.17 is: 85,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.74 : 151,720.90 = 62,205.17 : x
  2. Step 2: Convert to fraction form
    109,948.74/151,720.90 = 62,205.17/x
  3. Step 3: Cross multiply
    109,948.74x = 151,720.90 × 62,205.17
  4. Step 4: Simplify right side
    109,948.74x = 9,437,824,377.05
  5. Step 5: Solve for x
    x = 9,437,824,377.05/109,948.74
  6. Step 6: Final answer
    x = 85,838.40

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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.