Home / 295,665.60-442,988.10-137,569.80

Finding the Fourth Proportional to 295,665.60, 442,988.10 and 137,569.80

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Solution

The fourth proportional to 295,665.60, 442,988.10 and 137,569.80 is: 206,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,665.60 : 442,988.10 = 137,569.80 : x
  2. Step 2: Convert to fraction form
    295,665.60/442,988.10 = 137,569.80/x
  3. Step 3: Cross multiply
    295,665.60x = 442,988.10 × 137,569.80
  4. Step 4: Simplify right side
    295,665.60x = 60,941,784,319.38
  5. Step 5: Solve for x
    x = 60,941,784,319.38/295,665.60
  6. Step 6: Final answer
    x = 206,117.26

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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.