Home / 126,314.84-174,371.16-83,319.68

Finding the Fourth Proportional to 126,314.84, 174,371.16 and 83,319.68

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Solution

The fourth proportional to 126,314.84, 174,371.16 and 83,319.68 is: 115,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,314.84 : 174,371.16 = 83,319.68 : x
  2. Step 2: Convert to fraction form
    126,314.84/174,371.16 = 83,319.68/x
  3. Step 3: Cross multiply
    126,314.84x = 174,371.16 × 83,319.68
  4. Step 4: Simplify right side
    126,314.84x = 14,528,549,252.43
  5. Step 5: Solve for x
    x = 14,528,549,252.43/126,314.84
  6. Step 6: Final answer
    x = 115,018.55

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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.