Home / 147,461.90-221,192.85-80,876.30

Finding the Fourth Proportional to 147,461.90, 221,192.85 and 80,876.30

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Solution

The fourth proportional to 147,461.90, 221,192.85 and 80,876.30 is: 121,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,461.90 : 221,192.85 = 80,876.30 : x
  2. Step 2: Convert to fraction form
    147,461.90/221,192.85 = 80,876.30/x
  3. Step 3: Cross multiply
    147,461.90x = 221,192.85 × 80,876.30
  4. Step 4: Simplify right side
    147,461.90x = 17,889,259,294.46
  5. Step 5: Solve for x
    x = 17,889,259,294.46/147,461.90
  6. Step 6: Final answer
    x = 121,314.45

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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.