Home / 143,888.50-215,832.60-38,707.47

Finding the Fourth Proportional to 143,888.50, 215,832.60 and 38,707.47

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Solution

The fourth proportional to 143,888.50, 215,832.60 and 38,707.47 is: 58,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,888.50 : 215,832.60 = 38,707.47 : x
  2. Step 2: Convert to fraction form
    143,888.50/215,832.60 = 38,707.47/x
  3. Step 3: Cross multiply
    143,888.50x = 215,832.60 × 38,707.47
  4. Step 4: Simplify right side
    143,888.50x = 8,354,333,889.52
  5. Step 5: Solve for x
    x = 8,354,333,889.52/143,888.50
  6. Step 6: Final answer
    x = 58,061.16

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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.