Home / 96,020.80-144,031.20-61,115.20

Finding the Fourth Proportional to 96,020.80, 144,031.20 and 61,115.20

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Solution

The fourth proportional to 96,020.80, 144,031.20 and 61,115.20 is: 91,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,020.80 : 144,031.20 = 61,115.20 : x
  2. Step 2: Convert to fraction form
    96,020.80/144,031.20 = 61,115.20/x
  3. Step 3: Cross multiply
    96,020.80x = 144,031.20 × 61,115.20
  4. Step 4: Simplify right side
    96,020.80x = 8,802,495,594.24
  5. Step 5: Solve for x
    x = 8,802,495,594.24/96,020.80
  6. Step 6: Final answer
    x = 91,672.80

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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.