Home / 147,032.40-220,111.20-97,168.80

Finding the Fourth Proportional to 147,032.40, 220,111.20 and 97,168.80

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Solution

The fourth proportional to 147,032.40, 220,111.20 and 97,168.80 is: 145,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,032.40 : 220,111.20 = 97,168.80 : x
  2. Step 2: Convert to fraction form
    147,032.40/220,111.20 = 97,168.80/x
  3. Step 3: Cross multiply
    147,032.40x = 220,111.20 × 97,168.80
  4. Step 4: Simplify right side
    147,032.40x = 21,387,941,170.56
  5. Step 5: Solve for x
    x = 21,387,941,170.56/147,032.40
  6. Step 6: Final answer
    x = 145,464.14

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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.