Home / 126,337.86-174,347.55-69,749.10

Finding the Fourth Proportional to 126,337.86, 174,347.55 and 69,749.10

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Solution

The fourth proportional to 126,337.86, 174,347.55 and 69,749.10 is: 96,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337.86 : 174,347.55 = 69,749.10 : x
  2. Step 2: Convert to fraction form
    126,337.86/174,347.55 = 69,749.10/x
  3. Step 3: Cross multiply
    126,337.86x = 174,347.55 × 69,749.10
  4. Step 4: Simplify right side
    126,337.86x = 12,160,584,699.71
  5. Step 5: Solve for x
    x = 12,160,584,699.71/126,337.86
  6. Step 6: Final answer
    x = 96,254.48

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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.