Home / 113,529.60-170,294.40-54,334.80

Finding the Fourth Proportional to 113,529.60, 170,294.40 and 54,334.80

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Solution

The fourth proportional to 113,529.60, 170,294.40 and 54,334.80 is: 81,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,529.60 : 170,294.40 = 54,334.80 : x
  2. Step 2: Convert to fraction form
    113,529.60/170,294.40 = 54,334.80/x
  3. Step 3: Cross multiply
    113,529.60x = 170,294.40 × 54,334.80
  4. Step 4: Simplify right side
    113,529.60x = 9,252,912,165.12
  5. Step 5: Solve for x
    x = 9,252,912,165.12/113,529.60
  6. Step 6: Final answer
    x = 81,502.20

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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.