Home / 102,599.59-141,589.83-64,360.75

Finding the Fourth Proportional to 102,599.59, 141,589.83 and 64,360.75

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Solution

The fourth proportional to 102,599.59, 141,589.83 and 64,360.75 is: 88,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,599.59 : 141,589.83 = 64,360.75 : x
  2. Step 2: Convert to fraction form
    102,599.59/141,589.83 = 64,360.75/x
  3. Step 3: Cross multiply
    102,599.59x = 141,589.83 × 64,360.75
  4. Step 4: Simplify right side
    102,599.59x = 9,112,827,329.37
  5. Step 5: Solve for x
    x = 9,112,827,329.37/102,599.59
  6. Step 6: Final answer
    x = 88,819.34

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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.