Home / 102,851.43-141,948.12-57,531.93

Finding the Fourth Proportional to 102,851.43, 141,948.12 and 57,531.93

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Solution

The fourth proportional to 102,851.43, 141,948.12 and 57,531.93 is: 79,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,851.43 : 141,948.12 = 57,531.93 : x
  2. Step 2: Convert to fraction form
    102,851.43/141,948.12 = 57,531.93/x
  3. Step 3: Cross multiply
    102,851.43x = 141,948.12 × 57,531.93
  4. Step 4: Simplify right side
    102,851.43x = 8,166,549,303.47
  5. Step 5: Solve for x
    x = 8,166,549,303.47/102,851.43
  6. Step 6: Final answer
    x = 79,401.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.