Home / 145,700.16-218,550.48-40,519.20

Finding the Fourth Proportional to 145,700.16, 218,550.48 and 40,519.20

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Solution

The fourth proportional to 145,700.16, 218,550.48 and 40,519.20 is: 60,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,700.16 : 218,550.48 = 40,519.20 : x
  2. Step 2: Convert to fraction form
    145,700.16/218,550.48 = 40,519.20/x
  3. Step 3: Cross multiply
    145,700.16x = 218,550.48 × 40,519.20
  4. Step 4: Simplify right side
    145,700.16x = 8,855,490,609.22
  5. Step 5: Solve for x
    x = 8,855,490,609.22/145,700.16
  6. Step 6: Final answer
    x = 60,778.87

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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.