Home / 97,279.40-145,901.10-27,144.20

Finding the Fourth Proportional to 97,279.40, 145,901.10 and 27,144.20

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Solution

The fourth proportional to 97,279.40, 145,901.10 and 27,144.20 is: 40,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,279.40 : 145,901.10 = 27,144.20 : x
  2. Step 2: Convert to fraction form
    97,279.40/145,901.10 = 27,144.20/x
  3. Step 3: Cross multiply
    97,279.40x = 145,901.10 × 27,144.20
  4. Step 4: Simplify right side
    97,279.40x = 3,960,368,638.62
  5. Step 5: Solve for x
    x = 3,960,368,638.62/97,279.40
  6. Step 6: Final answer
    x = 40,711.28

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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.