Home / 102,851.22-141,934.04-57,529.02

Finding the Fourth Proportional to 102,851.22, 141,934.04 and 57,529.02

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Solution

The fourth proportional to 102,851.22, 141,934.04 and 57,529.02 is: 79,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,851.22 : 141,934.04 = 57,529.02 : x
  2. Step 2: Convert to fraction form
    102,851.22/141,934.04 = 57,529.02/x
  3. Step 3: Cross multiply
    102,851.22x = 141,934.04 × 57,529.02
  4. Step 4: Simplify right side
    102,851.22x = 8,165,326,225.84
  5. Step 5: Solve for x
    x = 8,165,326,225.84/102,851.22
  6. Step 6: Final answer
    x = 79,389.69

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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.