Home / 96,326.70-144,490.05-86,485.20

Finding the Fourth Proportional to 96,326.70, 144,490.05 and 86,485.20

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Solution

The fourth proportional to 96,326.70, 144,490.05 and 86,485.20 is: 129,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,326.70 : 144,490.05 = 86,485.20 : x
  2. Step 2: Convert to fraction form
    96,326.70/144,490.05 = 86,485.20/x
  3. Step 3: Cross multiply
    96,326.70x = 144,490.05 × 86,485.20
  4. Step 4: Simplify right side
    96,326.70x = 12,496,250,872.26
  5. Step 5: Solve for x
    x = 12,496,250,872.26/96,326.70
  6. Step 6: Final answer
    x = 129,727.80

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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.