Home / 147,534.55-221,010.23-80,855.35

Finding the Fourth Proportional to 147,534.55, 221,010.23 and 80,855.35

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Solution

The fourth proportional to 147,534.55, 221,010.23 and 80,855.35 is: 121,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,534.55 : 221,010.23 = 80,855.35 : x
  2. Step 2: Convert to fraction form
    147,534.55/221,010.23 = 80,855.35/x
  3. Step 3: Cross multiply
    147,534.55x = 221,010.23 × 80,855.35
  4. Step 4: Simplify right side
    147,534.55x = 17,869,859,095.95
  5. Step 5: Solve for x
    x = 17,869,859,095.95/147,534.55
  6. Step 6: Final answer
    x = 121,123.22

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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.