Home / 134,856.10-202,284.15-87,616.90

Finding the Fourth Proportional to 134,856.10, 202,284.15 and 87,616.90

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Solution

The fourth proportional to 134,856.10, 202,284.15 and 87,616.90 is: 131,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,856.10 : 202,284.15 = 87,616.90 : x
  2. Step 2: Convert to fraction form
    134,856.10/202,284.15 = 87,616.90/x
  3. Step 3: Cross multiply
    134,856.10x = 202,284.15 × 87,616.90
  4. Step 4: Simplify right side
    134,856.10x = 17,723,510,142.14
  5. Step 5: Solve for x
    x = 17,723,510,142.14/134,856.10
  6. Step 6: Final answer
    x = 131,425.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.