Home / 101,241.28-152,017.98-85,651.16

Finding the Fourth Proportional to 101,241.28, 152,017.98 and 85,651.16

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Solution

The fourth proportional to 101,241.28, 152,017.98 and 85,651.16 is: 128,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241.28 : 152,017.98 = 85,651.16 : x
  2. Step 2: Convert to fraction form
    101,241.28/152,017.98 = 85,651.16/x
  3. Step 3: Cross multiply
    101,241.28x = 152,017.98 × 85,651.16
  4. Step 4: Simplify right side
    101,241.28x = 13,020,516,327.86
  5. Step 5: Solve for x
    x = 13,020,516,327.86/101,241.28
  6. Step 6: Final answer
    x = 128,608.77

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1.5x scale

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.