Home / 147,119.50-220,646.42-68,223.48

Finding the Fourth Proportional to 147,119.50, 220,646.42 and 68,223.48

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Solution

The fourth proportional to 147,119.50, 220,646.42 and 68,223.48 is: 102,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,119.50 : 220,646.42 = 68,223.48 : x
  2. Step 2: Convert to fraction form
    147,119.50/220,646.42 = 68,223.48/x
  3. Step 3: Cross multiply
    147,119.50x = 220,646.42 × 68,223.48
  4. Step 4: Simplify right side
    147,119.50x = 15,053,266,621.94
  5. Step 5: Solve for x
    x = 15,053,266,621.94/147,119.50
  6. Step 6: Final answer
    x = 102,320.00

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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.