Home / 94,742.16-142,082.45-31,545.30

Finding the Fourth Proportional to 94,742.16, 142,082.45 and 31,545.30

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Solution

The fourth proportional to 94,742.16, 142,082.45 and 31,545.30 is: 47,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,742.16 : 142,082.45 = 31,545.30 : x
  2. Step 2: Convert to fraction form
    94,742.16/142,082.45 = 31,545.30/x
  3. Step 3: Cross multiply
    94,742.16x = 142,082.45 × 31,545.30
  4. Step 4: Simplify right side
    94,742.16x = 4,482,033,509.99
  5. Step 5: Solve for x
    x = 4,482,033,509.99/94,742.16
  6. Step 6: Final answer
    x = 47,307.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.