Home / 96,031.20-144,046.80-64,538.40

Finding the Fourth Proportional to 96,031.20, 144,046.80 and 64,538.40

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Solution

The fourth proportional to 96,031.20, 144,046.80 and 64,538.40 is: 96,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,031.20 : 144,046.80 = 64,538.40 : x
  2. Step 2: Convert to fraction form
    96,031.20/144,046.80 = 64,538.40/x
  3. Step 3: Cross multiply
    96,031.20x = 144,046.80 × 64,538.40
  4. Step 4: Simplify right side
    96,031.20x = 9,296,549,997.12
  5. Step 5: Solve for x
    x = 9,296,549,997.12/96,031.20
  6. Step 6: Final answer
    x = 96,807.60

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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.