Home / 147,173.40-220,793.02-53,679.16

Finding the Fourth Proportional to 147,173.40, 220,793.02 and 53,679.16

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Solution

The fourth proportional to 147,173.40, 220,793.02 and 53,679.16 is: 80,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,173.40 : 220,793.02 = 53,679.16 : x
  2. Step 2: Convert to fraction form
    147,173.40/220,793.02 = 53,679.16/x
  3. Step 3: Cross multiply
    147,173.40x = 220,793.02 × 53,679.16
  4. Step 4: Simplify right side
    147,173.40x = 11,851,983,847.46
  5. Step 5: Solve for x
    x = 11,851,983,847.46/147,173.40
  6. Step 6: Final answer
    x = 80,530.75

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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.