Home / 144,142.38-216,213.57-42,941.97

Finding the Fourth Proportional to 144,142.38, 216,213.57 and 42,941.97

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Solution

The fourth proportional to 144,142.38, 216,213.57 and 42,941.97 is: 64,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,142.38 : 216,213.57 = 42,941.97 : x
  2. Step 2: Convert to fraction form
    144,142.38/216,213.57 = 42,941.97/x
  3. Step 3: Cross multiply
    144,142.38x = 216,213.57 × 42,941.97
  4. Step 4: Simplify right side
    144,142.38x = 9,284,636,636.53
  5. Step 5: Solve for x
    x = 9,284,636,636.53/144,142.38
  6. Step 6: Final answer
    x = 64,412.96

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1.5x scale

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.