Home / 145,566.20-218,349.38-40,385.27

Finding the Fourth Proportional to 145,566.20, 218,349.38 and 40,385.27

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Solution

The fourth proportional to 145,566.20, 218,349.38 and 40,385.27 is: 60,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,566.20 : 218,349.38 = 40,385.27 : x
  2. Step 2: Convert to fraction form
    145,566.20/218,349.38 = 40,385.27/x
  3. Step 3: Cross multiply
    145,566.20x = 218,349.38 × 40,385.27
  4. Step 4: Simplify right side
    145,566.20x = 8,818,097,674.85
  5. Step 5: Solve for x
    x = 8,818,097,674.85/145,566.20
  6. Step 6: Final answer
    x = 60,577.92

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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.