Home / 145,610.04-218,414.80-45,778.94

Finding the Fourth Proportional to 145,610.04, 218,414.80 and 45,778.94

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Solution

The fourth proportional to 145,610.04, 218,414.80 and 45,778.94 is: 68,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.04 : 218,414.80 = 45,778.94 : x
  2. Step 2: Convert to fraction form
    145,610.04/218,414.80 = 45,778.94/x
  3. Step 3: Cross multiply
    145,610.04x = 218,414.80 × 45,778.94
  4. Step 4: Simplify right side
    145,610.04x = 9,998,798,024.31
  5. Step 5: Solve for x
    x = 9,998,798,024.31/145,610.04
  6. Step 6: Final answer
    x = 68,668.33

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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.