Home / 96,000.20-144,000.30-86,814.80

Finding the Fourth Proportional to 96,000.20, 144,000.30 and 86,814.80

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Solution

The fourth proportional to 96,000.20, 144,000.30 and 86,814.80 is: 130,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,000.20 : 144,000.30 = 86,814.80 : x
  2. Step 2: Convert to fraction form
    96,000.20/144,000.30 = 86,814.80/x
  3. Step 3: Cross multiply
    96,000.20x = 144,000.30 × 86,814.80
  4. Step 4: Simplify right side
    96,000.20x = 12,501,357,244.44
  5. Step 5: Solve for x
    x = 12,501,357,244.44/96,000.20
  6. Step 6: Final answer
    x = 130,222.20

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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.