Home / 91,702.10-137,553.15-74,206.10

Finding the Fourth Proportional to 91,702.10, 137,553.15 and 74,206.10

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Solution

The fourth proportional to 91,702.10, 137,553.15 and 74,206.10 is: 111,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.10 : 137,553.15 = 74,206.10 : x
  2. Step 2: Convert to fraction form
    91,702.10/137,553.15 = 74,206.10/x
  3. Step 3: Cross multiply
    91,702.10x = 137,553.15 × 74,206.10
  4. Step 4: Simplify right side
    91,702.10x = 10,207,282,804.22
  5. Step 5: Solve for x
    x = 10,207,282,804.22/91,702.10
  6. Step 6: Final answer
    x = 111,309.15

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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.