Home / 147,463.40-221,195.10-80,877.80

Finding the Fourth Proportional to 147,463.40, 221,195.10 and 80,877.80

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Solution

The fourth proportional to 147,463.40, 221,195.10 and 80,877.80 is: 121,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,463.40 : 221,195.10 = 80,877.80 : x
  2. Step 2: Convert to fraction form
    147,463.40/221,195.10 = 80,877.80/x
  3. Step 3: Cross multiply
    147,463.40x = 221,195.10 × 80,877.80
  4. Step 4: Simplify right side
    147,463.40x = 17,889,773,058.78
  5. Step 5: Solve for x
    x = 17,889,773,058.78/147,463.40
  6. Step 6: Final answer
    x = 121,316.70

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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.