Home / 112,118.60-154,724.39-61,132.17

Finding the Fourth Proportional to 112,118.60, 154,724.39 and 61,132.17

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Solution

The fourth proportional to 112,118.60, 154,724.39 and 61,132.17 is: 84,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118.60 : 154,724.39 = 61,132.17 : x
  2. Step 2: Convert to fraction form
    112,118.60/154,724.39 = 61,132.17/x
  3. Step 3: Cross multiply
    112,118.60x = 154,724.39 × 61,132.17
  4. Step 4: Simplify right side
    112,118.60x = 9,458,637,689.97
  5. Step 5: Solve for x
    x = 9,458,637,689.97/112,118.60
  6. Step 6: Final answer
    x = 84,362.79

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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.