Home / 453,142.74-679,669.95-137,602.38

Finding the Fourth Proportional to 453,142.74, 679,669.95 and 137,602.38

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Solution

The fourth proportional to 453,142.74, 679,669.95 and 137,602.38 is: 206,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,142.74 : 679,669.95 = 137,602.38 : x
  2. Step 2: Convert to fraction form
    453,142.74/679,669.95 = 137,602.38/x
  3. Step 3: Cross multiply
    453,142.74x = 679,669.95 × 137,602.38
  4. Step 4: Simplify right side
    453,142.74x = 93,524,202,734.48
  5. Step 5: Solve for x
    x = 93,524,202,734.48/453,142.74
  6. Step 6: Final answer
    x = 206,390.16

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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.