Home / 101,537.04-152,139.08-71,901.66

Finding the Fourth Proportional to 101,537.04, 152,139.08 and 71,901.66

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Solution

The fourth proportional to 101,537.04, 152,139.08 and 71,901.66 is: 107,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537.04 : 152,139.08 = 71,901.66 : x
  2. Step 2: Convert to fraction form
    101,537.04/152,139.08 = 71,901.66/x
  3. Step 3: Cross multiply
    101,537.04x = 152,139.08 × 71,901.66
  4. Step 4: Simplify right side
    101,537.04x = 10,939,052,402.87
  5. Step 5: Solve for x
    x = 10,939,052,402.87/101,537.04
  6. Step 6: Final answer
    x = 107,734.60

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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.