Home / 142,236.68-213,366.02-42,389.19

Finding the Fourth Proportional to 142,236.68, 213,366.02 and 42,389.19

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Solution

The fourth proportional to 142,236.68, 213,366.02 and 42,389.19 is: 63,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,236.68 : 213,366.02 = 42,389.19 : x
  2. Step 2: Convert to fraction form
    142,236.68/213,366.02 = 42,389.19/x
  3. Step 3: Cross multiply
    142,236.68x = 213,366.02 × 42,389.19
  4. Step 4: Simplify right side
    142,236.68x = 9,044,412,549.38
  5. Step 5: Solve for x
    x = 9,044,412,549.38/142,236.68
  6. Step 6: Final answer
    x = 63,587.06

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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.