Home / 126,278.64-174,259.02-68,916.50

Finding the Fourth Proportional to 126,278.64, 174,259.02 and 68,916.50

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Solution

The fourth proportional to 126,278.64, 174,259.02 and 68,916.50 is: 95,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,278.64 : 174,259.02 = 68,916.50 : x
  2. Step 2: Convert to fraction form
    126,278.64/174,259.02 = 68,916.50/x
  3. Step 3: Cross multiply
    126,278.64x = 174,259.02 × 68,916.50
  4. Step 4: Simplify right side
    126,278.64x = 12,009,321,751.83
  5. Step 5: Solve for x
    x = 12,009,321,751.83/126,278.64
  6. Step 6: Final answer
    x = 95,101.77

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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.