Home / 148,158.52-204,457.20-80,174.00

Finding the Fourth Proportional to 148,158.52, 204,457.20 and 80,174.00

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Solution

The fourth proportional to 148,158.52, 204,457.20 and 80,174.00 is: 110,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,158.52 : 204,457.20 = 80,174.00 : x
  2. Step 2: Convert to fraction form
    148,158.52/204,457.20 = 80,174.00/x
  3. Step 3: Cross multiply
    148,158.52x = 204,457.20 × 80,174.00
  4. Step 4: Simplify right side
    148,158.52x = 16,392,151,763.29
  5. Step 5: Solve for x
    x = 16,392,151,763.29/148,158.52
  6. Step 6: Final answer
    x = 110,639.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.