Home / 102,545.20-153,804.60-32,431.60

Finding the Fourth Proportional to 102,545.20, 153,804.60 and 32,431.60

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Solution

The fourth proportional to 102,545.20, 153,804.60 and 32,431.60 is: 48,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.20 : 153,804.60 = 32,431.60 : x
  2. Step 2: Convert to fraction form
    102,545.20/153,804.60 = 32,431.60/x
  3. Step 3: Cross multiply
    102,545.20x = 153,804.60 × 32,431.60
  4. Step 4: Simplify right side
    102,545.20x = 4,988,129,265.36
  5. Step 5: Solve for x
    x = 4,988,129,265.36/102,545.20
  6. Step 6: Final answer
    x = 48,643.23

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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.