Home / 145,836.86-218,767.64-40,655.93

Finding the Fourth Proportional to 145,836.86, 218,767.64 and 40,655.93

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Solution

The fourth proportional to 145,836.86, 218,767.64 and 40,655.93 is: 60,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.86 : 218,767.64 = 40,655.93 : x
  2. Step 2: Convert to fraction form
    145,836.86/218,767.64 = 40,655.93/x
  3. Step 3: Cross multiply
    145,836.86x = 218,767.64 × 40,655.93
  4. Step 4: Simplify right side
    145,836.86x = 8,894,200,560.99
  5. Step 5: Solve for x
    x = 8,894,200,560.99/145,836.86
  6. Step 6: Final answer
    x = 60,987.33

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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.