Home / 102,589.69-141,576.16-64,350.86

Finding the Fourth Proportional to 102,589.69, 141,576.16 and 64,350.86

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Solution

The fourth proportional to 102,589.69, 141,576.16 and 64,350.86 is: 88,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,589.69 : 141,576.16 = 64,350.86 : x
  2. Step 2: Convert to fraction form
    102,589.69/141,576.16 = 64,350.86/x
  3. Step 3: Cross multiply
    102,589.69x = 141,576.16 × 64,350.86
  4. Step 4: Simplify right side
    102,589.69x = 9,110,547,651.50
  5. Step 5: Solve for x
    x = 9,110,547,651.50/102,589.69
  6. Step 6: Final answer
    x = 88,805.68

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1.5x scale

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.