Home / 143,590.93-215,386.31-38,407.16

Finding the Fourth Proportional to 143,590.93, 215,386.31 and 38,407.16

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Solution

The fourth proportional to 143,590.93, 215,386.31 and 38,407.16 is: 57,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,590.93 : 215,386.31 = 38,407.16 : x
  2. Step 2: Convert to fraction form
    143,590.93/215,386.31 = 38,407.16/x
  3. Step 3: Cross multiply
    143,590.93x = 215,386.31 × 38,407.16
  4. Step 4: Simplify right side
    143,590.93x = 8,272,377,104.46
  5. Step 5: Solve for x
    x = 8,272,377,104.46/143,590.93
  6. Step 6: Final answer
    x = 57,610.72

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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.