Home / 126,313.11-174,312.24-69,724.48

Finding the Fourth Proportional to 126,313.11, 174,312.24 and 69,724.48

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Solution

The fourth proportional to 126,313.11, 174,312.24 and 69,724.48 is: 96,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.11 : 174,312.24 = 69,724.48 : x
  2. Step 2: Convert to fraction form
    126,313.11/174,312.24 = 69,724.48/x
  3. Step 3: Cross multiply
    126,313.11x = 174,312.24 × 69,724.48
  4. Step 4: Simplify right side
    126,313.11x = 12,153,830,291.64
  5. Step 5: Solve for x
    x = 12,153,830,291.64/126,313.11
  6. Step 6: Final answer
    x = 96,219.86

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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.