Home / 126,345.96-174,294.48-75,322.74

Finding the Fourth Proportional to 126,345.96, 174,294.48 and 75,322.74

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Solution

The fourth proportional to 126,345.96, 174,294.48 and 75,322.74 is: 103,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.96 : 174,294.48 = 75,322.74 : x
  2. Step 2: Convert to fraction form
    126,345.96/174,294.48 = 75,322.74/x
  3. Step 3: Cross multiply
    126,345.96x = 174,294.48 × 75,322.74
  4. Step 4: Simplify right side
    126,345.96x = 13,128,337,800.48
  5. Step 5: Solve for x
    x = 13,128,337,800.48/126,345.96
  6. Step 6: Final answer
    x = 103,907.86

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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.