Home / 91,490.39-137,130.27-35,305.65

Finding the Fourth Proportional to 91,490.39, 137,130.27 and 35,305.65

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Solution

The fourth proportional to 91,490.39, 137,130.27 and 35,305.65 is: 52,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,490.39 : 137,130.27 = 35,305.65 : x
  2. Step 2: Convert to fraction form
    91,490.39/137,130.27 = 35,305.65/x
  3. Step 3: Cross multiply
    91,490.39x = 137,130.27 × 35,305.65
  4. Step 4: Simplify right side
    91,490.39x = 4,841,473,184.63
  5. Step 5: Solve for x
    x = 4,841,473,184.63/91,490.39
  6. Step 6: Final answer
    x = 52,917.83

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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.