Home / 145,614.74-218,423.32-40,441.91

Finding the Fourth Proportional to 145,614.74, 218,423.32 and 40,441.91

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Solution

The fourth proportional to 145,614.74, 218,423.32 and 40,441.91 is: 60,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.74 : 218,423.32 = 40,441.91 : x
  2. Step 2: Convert to fraction form
    145,614.74/218,423.32 = 40,441.91/x
  3. Step 3: Cross multiply
    145,614.74x = 218,423.32 × 40,441.91
  4. Step 4: Simplify right side
    145,614.74x = 8,833,455,056.12
  5. Step 5: Solve for x
    x = 8,833,455,056.12/145,614.74
  6. Step 6: Final answer
    x = 60,663.19

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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.