Home / 112,119.60-154,725.77-61,133.17

Finding the Fourth Proportional to 112,119.60, 154,725.77 and 61,133.17

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Solution

The fourth proportional to 112,119.60, 154,725.77 and 61,133.17 is: 84,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.60 : 154,725.77 = 61,133.17 : x
  2. Step 2: Convert to fraction form
    112,119.60/154,725.77 = 61,133.17/x
  3. Step 3: Cross multiply
    112,119.60x = 154,725.77 × 61,133.17
  4. Step 4: Simplify right side
    112,119.60x = 9,458,876,800.79
  5. Step 5: Solve for x
    x = 9,458,876,800.79/112,119.60
  6. Step 6: Final answer
    x = 84,364.17

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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.