Home / 145,440.86-218,164.02-45,598.84

Finding the Fourth Proportional to 145,440.86, 218,164.02 and 45,598.84

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Solution

The fourth proportional to 145,440.86, 218,164.02 and 45,598.84 is: 68,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,440.86 : 218,164.02 = 45,598.84 : x
  2. Step 2: Convert to fraction form
    145,440.86/218,164.02 = 45,598.84/x
  3. Step 3: Cross multiply
    145,440.86x = 218,164.02 × 45,598.84
  4. Step 4: Simplify right side
    145,440.86x = 9,948,025,525.33
  5. Step 5: Solve for x
    x = 9,948,025,525.33/145,440.86
  6. Step 6: Final answer
    x = 68,399.11

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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.