Home / 145,878.17-218,854.16-40,697.06

Finding the Fourth Proportional to 145,878.17, 218,854.16 and 40,697.06

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Solution

The fourth proportional to 145,878.17, 218,854.16 and 40,697.06 is: 61,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,878.17 : 218,854.16 = 40,697.06 : x
  2. Step 2: Convert to fraction form
    145,878.17/218,854.16 = 40,697.06/x
  3. Step 3: Cross multiply
    145,878.17x = 218,854.16 × 40,697.06
  4. Step 4: Simplify right side
    145,878.17x = 8,906,720,677.28
  5. Step 5: Solve for x
    x = 8,906,720,677.28/145,878.17
  6. Step 6: Final answer
    x = 61,055.88

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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.