Home / 102,201.40-153,302.10-54,962.20

Finding the Fourth Proportional to 102,201.40, 153,302.10 and 54,962.20

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Solution

The fourth proportional to 102,201.40, 153,302.10 and 54,962.20 is: 82,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,201.40 : 153,302.10 = 54,962.20 : x
  2. Step 2: Convert to fraction form
    102,201.40/153,302.10 = 54,962.20/x
  3. Step 3: Cross multiply
    102,201.40x = 153,302.10 × 54,962.20
  4. Step 4: Simplify right side
    102,201.40x = 8,425,820,680.62
  5. Step 5: Solve for x
    x = 8,425,820,680.62/102,201.40
  6. Step 6: Final answer
    x = 82,443.30

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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.