Home / 89,501.10-134,167.80-30,295.32

Finding the Fourth Proportional to 89,501.10, 134,167.80 and 30,295.32

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Solution

The fourth proportional to 89,501.10, 134,167.80 and 30,295.32 is: 45,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,501.10 : 134,167.80 = 30,295.32 : x
  2. Step 2: Convert to fraction form
    89,501.10/134,167.80 = 30,295.32/x
  3. Step 3: Cross multiply
    89,501.10x = 134,167.80 × 30,295.32
  4. Step 4: Simplify right side
    89,501.10x = 4,064,656,434.70
  5. Step 5: Solve for x
    x = 4,064,656,434.70/89,501.10
  6. Step 6: Final answer
    x = 45,414.60

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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.