Home / 145,820.25-218,815.43-61,575.39

Finding the Fourth Proportional to 145,820.25, 218,815.43 and 61,575.39

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Solution

The fourth proportional to 145,820.25, 218,815.43 and 61,575.39 is: 92,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,820.25 : 218,815.43 = 61,575.39 : x
  2. Step 2: Convert to fraction form
    145,820.25/218,815.43 = 61,575.39/x
  3. Step 3: Cross multiply
    145,820.25x = 218,815.43 × 61,575.39
  4. Step 4: Simplify right side
    145,820.25x = 13,473,645,132.39
  5. Step 5: Solve for x
    x = 13,473,645,132.39/145,820.25
  6. Step 6: Final answer
    x = 92,399.00

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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.