Home / 118,047.90-162,901.38-64,331.79

Finding the Fourth Proportional to 118,047.90, 162,901.38 and 64,331.79

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Solution

The fourth proportional to 118,047.90, 162,901.38 and 64,331.79 is: 88,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.90 : 162,901.38 = 64,331.79 : x
  2. Step 2: Convert to fraction form
    118,047.90/162,901.38 = 64,331.79/x
  3. Step 3: Cross multiply
    118,047.90x = 162,901.38 × 64,331.79
  4. Step 4: Simplify right side
    118,047.90x = 10,479,737,368.87
  5. Step 5: Solve for x
    x = 10,479,737,368.87/118,047.90
  6. Step 6: Final answer
    x = 88,775.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.