Home / 110,537.20-152,543.64-65,226.16

Finding the Fourth Proportional to 110,537.20, 152,543.64 and 65,226.16

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Solution

The fourth proportional to 110,537.20, 152,543.64 and 65,226.16 is: 90,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,537.20 : 152,543.64 = 65,226.16 : x
  2. Step 2: Convert to fraction form
    110,537.20/152,543.64 = 65,226.16/x
  3. Step 3: Cross multiply
    110,537.20x = 152,543.64 × 65,226.16
  4. Step 4: Simplify right side
    110,537.20x = 9,949,835,869.62
  5. Step 5: Solve for x
    x = 9,949,835,869.62/110,537.20
  6. Step 6: Final answer
    x = 90,013.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.