Home / 102,674.07-141,688.65-57,352.71

Finding the Fourth Proportional to 102,674.07, 141,688.65 and 57,352.71

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Solution

The fourth proportional to 102,674.07, 141,688.65 and 57,352.71 is: 79,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.07 : 141,688.65 = 57,352.71 : x
  2. Step 2: Convert to fraction form
    102,674.07/141,688.65 = 57,352.71/x
  3. Step 3: Cross multiply
    102,674.07x = 141,688.65 × 57,352.71
  4. Step 4: Simplify right side
    102,674.07x = 8,126,228,053.74
  5. Step 5: Solve for x
    x = 8,126,228,053.74/102,674.07
  6. Step 6: Final answer
    x = 79,145.86

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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.