Home / 142,361.25-213,542.33-53,590.92

Finding the Fourth Proportional to 142,361.25, 213,542.33 and 53,590.92

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Solution

The fourth proportional to 142,361.25, 213,542.33 and 53,590.92 is: 80,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,361.25 : 213,542.33 = 53,590.92 : x
  2. Step 2: Convert to fraction form
    142,361.25/213,542.33 = 53,590.92/x
  3. Step 3: Cross multiply
    142,361.25x = 213,542.33 × 53,590.92
  4. Step 4: Simplify right side
    142,361.25x = 11,443,928,854.91
  5. Step 5: Solve for x
    x = 11,443,928,854.91/142,361.25
  6. Step 6: Final answer
    x = 80,386.55

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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.