Home / 92,210.10-138,315.15-82,295.70

Finding the Fourth Proportional to 92,210.10, 138,315.15 and 82,295.70

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Solution

The fourth proportional to 92,210.10, 138,315.15 and 82,295.70 is: 123,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,210.10 : 138,315.15 = 82,295.70 : x
  2. Step 2: Convert to fraction form
    92,210.10/138,315.15 = 82,295.70/x
  3. Step 3: Cross multiply
    92,210.10x = 138,315.15 × 82,295.70
  4. Step 4: Simplify right side
    92,210.10x = 11,382,742,089.86
  5. Step 5: Solve for x
    x = 11,382,742,089.86/92,210.10
  6. Step 6: Final answer
    x = 123,443.55

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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.