Home / 100,455.96-138,605.94-60,162.24

Finding the Fourth Proportional to 100,455.96, 138,605.94 and 60,162.24

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Solution

The fourth proportional to 100,455.96, 138,605.94 and 60,162.24 is: 83,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,455.96 : 138,605.94 = 60,162.24 : x
  2. Step 2: Convert to fraction form
    100,455.96/138,605.94 = 60,162.24/x
  3. Step 3: Cross multiply
    100,455.96x = 138,605.94 × 60,162.24
  4. Step 4: Simplify right side
    100,455.96x = 8,338,843,827.71
  5. Step 5: Solve for x
    x = 8,338,843,827.71/100,455.96
  6. Step 6: Final answer
    x = 83,009.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.