Home / 89,605.26-134,490.96-45,263.12

Finding the Fourth Proportional to 89,605.26, 134,490.96 and 45,263.12

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Solution

The fourth proportional to 89,605.26, 134,490.96 and 45,263.12 is: 67,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.26 : 134,490.96 = 45,263.12 : x
  2. Step 2: Convert to fraction form
    89,605.26/134,490.96 = 45,263.12/x
  3. Step 3: Cross multiply
    89,605.26x = 134,490.96 × 45,263.12
  4. Step 4: Simplify right side
    89,605.26x = 6,087,480,461.40
  5. Step 5: Solve for x
    x = 6,087,480,461.40/89,605.26
  6. Step 6: Final answer
    x = 67,936.64

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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.