Home / 96,031.90-144,047.85-85,923.10

Finding the Fourth Proportional to 96,031.90, 144,047.85 and 85,923.10

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Solution

The fourth proportional to 96,031.90, 144,047.85 and 85,923.10 is: 128,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,031.90 : 144,047.85 = 85,923.10 : x
  2. Step 2: Convert to fraction form
    96,031.90/144,047.85 = 85,923.10/x
  3. Step 3: Cross multiply
    96,031.90x = 144,047.85 × 85,923.10
  4. Step 4: Simplify right side
    96,031.90x = 12,377,037,820.34
  5. Step 5: Solve for x
    x = 12,377,037,820.34/96,031.90
  6. Step 6: Final answer
    x = 128,884.65

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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.