Home / 148,301.30-204,656.40-80,319.08

Finding the Fourth Proportional to 148,301.30, 204,656.40 and 80,319.08

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Solution

The fourth proportional to 148,301.30, 204,656.40 and 80,319.08 is: 110,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.30 : 204,656.40 = 80,319.08 : x
  2. Step 2: Convert to fraction form
    148,301.30/204,656.40 = 80,319.08/x
  3. Step 3: Cross multiply
    148,301.30x = 204,656.40 × 80,319.08
  4. Step 4: Simplify right side
    148,301.30x = 16,437,812,740.83
  5. Step 5: Solve for x
    x = 16,437,812,740.83/148,301.30
  6. Step 6: Final answer
    x = 110,840.66

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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.