Home / 96,011.20-144,016.80-66,486.70

Finding the Fourth Proportional to 96,011.20, 144,016.80 and 66,486.70

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Solution

The fourth proportional to 96,011.20, 144,016.80 and 66,486.70 is: 99,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,011.20 : 144,016.80 = 66,486.70 : x
  2. Step 2: Convert to fraction form
    96,011.20/144,016.80 = 66,486.70/x
  3. Step 3: Cross multiply
    96,011.20x = 144,016.80 × 66,486.70
  4. Step 4: Simplify right side
    96,011.20x = 9,575,201,776.56
  5. Step 5: Solve for x
    x = 9,575,201,776.56/96,011.20
  6. Step 6: Final answer
    x = 99,730.05

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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.