Home / 102,062.40-153,070.20-38,889.69

Finding the Fourth Proportional to 102,062.40, 153,070.20 and 38,889.69

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Solution

The fourth proportional to 102,062.40, 153,070.20 and 38,889.69 is: 58,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,062.40 : 153,070.20 = 38,889.69 : x
  2. Step 2: Convert to fraction form
    102,062.40/153,070.20 = 38,889.69/x
  3. Step 3: Cross multiply
    102,062.40x = 153,070.20 × 38,889.69
  4. Step 4: Simplify right side
    102,062.40x = 5,952,852,626.24
  5. Step 5: Solve for x
    x = 5,952,852,626.24/102,062.40
  6. Step 6: Final answer
    x = 58,325.62

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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.