Home / 148,549.06-204,984.84-87,288.76

Finding the Fourth Proportional to 148,549.06, 204,984.84 and 87,288.76

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Solution

The fourth proportional to 148,549.06, 204,984.84 and 87,288.76 is: 120,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,549.06 : 204,984.84 = 87,288.76 : x
  2. Step 2: Convert to fraction form
    148,549.06/204,984.84 = 87,288.76/x
  3. Step 3: Cross multiply
    148,549.06x = 204,984.84 × 87,288.76
  4. Step 4: Simplify right side
    148,549.06x = 17,892,872,502.40
  5. Step 5: Solve for x
    x = 17,892,872,502.40/148,549.06
  6. Step 6: Final answer
    x = 120,450.93

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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.