Home / 126,243.08-174,215.32-69,654.45

Finding the Fourth Proportional to 126,243.08, 174,215.32 and 69,654.45

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Solution

The fourth proportional to 126,243.08, 174,215.32 and 69,654.45 is: 96,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,243.08 : 174,215.32 = 69,654.45 : x
  2. Step 2: Convert to fraction form
    126,243.08/174,215.32 = 69,654.45/x
  3. Step 3: Cross multiply
    126,243.08x = 174,215.32 × 69,654.45
  4. Step 4: Simplify right side
    126,243.08x = 12,134,872,296.17
  5. Step 5: Solve for x
    x = 12,134,872,296.17/126,243.08
  6. Step 6: Final answer
    x = 96,123.07

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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.