Home / 127,073.21-175,382.07-70,502.81

Finding the Fourth Proportional to 127,073.21, 175,382.07 and 70,502.81

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Solution

The fourth proportional to 127,073.21, 175,382.07 and 70,502.81 is: 97,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,073.21 : 175,382.07 = 70,502.81 : x
  2. Step 2: Convert to fraction form
    127,073.21/175,382.07 = 70,502.81/x
  3. Step 3: Cross multiply
    127,073.21x = 175,382.07 × 70,502.81
  4. Step 4: Simplify right side
    127,073.21x = 12,364,928,758.62
  5. Step 5: Solve for x
    x = 12,364,928,758.62/127,073.21
  6. Step 6: Final answer
    x = 97,305.55

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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.