Home / 134,446.56-185,520.96-77,847.36

Finding the Fourth Proportional to 134,446.56, 185,520.96 and 77,847.36

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Solution

The fourth proportional to 134,446.56, 185,520.96 and 77,847.36 is: 107,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,446.56 : 185,520.96 = 77,847.36 : x
  2. Step 2: Convert to fraction form
    134,446.56/185,520.96 = 77,847.36/x
  3. Step 3: Cross multiply
    134,446.56x = 185,520.96 × 77,847.36
  4. Step 4: Simplify right side
    134,446.56x = 14,442,316,960.67
  5. Step 5: Solve for x
    x = 14,442,316,960.67/134,446.56
  6. Step 6: Final answer
    x = 107,420.50

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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.