Home / 126,298.08-174,250.80-83,865.12

Finding the Fourth Proportional to 126,298.08, 174,250.80 and 83,865.12

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Solution

The fourth proportional to 126,298.08, 174,250.80 and 83,865.12 is: 115,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,298.08 : 174,250.80 = 83,865.12 : x
  2. Step 2: Convert to fraction form
    126,298.08/174,250.80 = 83,865.12/x
  3. Step 3: Cross multiply
    126,298.08x = 174,250.80 × 83,865.12
  4. Step 4: Simplify right side
    126,298.08x = 14,613,564,252.10
  5. Step 5: Solve for x
    x = 14,613,564,252.10/126,298.08
  6. Step 6: Final answer
    x = 115,706.94

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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.