Home / 126,218.31-174,168.50-74,527.35

Finding the Fourth Proportional to 126,218.31, 174,168.50 and 74,527.35

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Solution

The fourth proportional to 126,218.31, 174,168.50 and 74,527.35 is: 102,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.31 : 174,168.50 = 74,527.35 : x
  2. Step 2: Convert to fraction form
    126,218.31/174,168.50 = 74,527.35/x
  3. Step 3: Cross multiply
    126,218.31x = 174,168.50 × 74,527.35
  4. Step 4: Simplify right side
    126,218.31x = 12,980,316,385.84
  5. Step 5: Solve for x
    x = 12,980,316,385.84/126,218.31
  6. Step 6: Final answer
    x = 102,840.20

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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.