Home / 102,104.08-153,000.24-42,907.48

Finding the Fourth Proportional to 102,104.08, 153,000.24 and 42,907.48

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Solution

The fourth proportional to 102,104.08, 153,000.24 and 42,907.48 is: 64,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,104.08 : 153,000.24 = 42,907.48 : x
  2. Step 2: Convert to fraction form
    102,104.08/153,000.24 = 42,907.48/x
  3. Step 3: Cross multiply
    102,104.08x = 153,000.24 × 42,907.48
  4. Step 4: Simplify right side
    102,104.08x = 6,564,854,737.80
  5. Step 5: Solve for x
    x = 6,564,854,737.80/102,104.08
  6. Step 6: Final answer
    x = 64,295.71

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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.