Home / 147,400.65-221,098.89-84,085.62

Finding the Fourth Proportional to 147,400.65, 221,098.89 and 84,085.62

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Solution

The fourth proportional to 147,400.65, 221,098.89 and 84,085.62 is: 126,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.65 : 221,098.89 = 84,085.62 : x
  2. Step 2: Convert to fraction form
    147,400.65/221,098.89 = 84,085.62/x
  3. Step 3: Cross multiply
    147,400.65x = 221,098.89 × 84,085.62
  4. Step 4: Simplify right side
    147,400.65x = 18,591,237,246.96
  5. Step 5: Solve for x
    x = 18,591,237,246.96/147,400.65
  6. Step 6: Final answer
    x = 126,127.24

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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.