Home / 147,622.80-221,434.20-118,098.30

Finding the Fourth Proportional to 147,622.80, 221,434.20 and 118,098.30

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Solution

The fourth proportional to 147,622.80, 221,434.20 and 118,098.30 is: 177,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.80 : 221,434.20 = 118,098.30 : x
  2. Step 2: Convert to fraction form
    147,622.80/221,434.20 = 118,098.30/x
  3. Step 3: Cross multiply
    147,622.80x = 221,434.20 × 118,098.30
  4. Step 4: Simplify right side
    147,622.80x = 26,151,002,581.86
  5. Step 5: Solve for x
    x = 26,151,002,581.86/147,622.80
  6. Step 6: Final answer
    x = 177,147.45

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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.