Home / 127,130.93-175,429.07-75,439.11

Finding the Fourth Proportional to 127,130.93, 175,429.07 and 75,439.11

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Solution

The fourth proportional to 127,130.93, 175,429.07 and 75,439.11 is: 104,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.93 : 175,429.07 = 75,439.11 : x
  2. Step 2: Convert to fraction form
    127,130.93/175,429.07 = 75,439.11/x
  3. Step 3: Cross multiply
    127,130.93x = 175,429.07 × 75,439.11
  4. Step 4: Simplify right side
    127,130.93x = 13,234,213,472.49
  5. Step 5: Solve for x
    x = 13,234,213,472.49/127,130.93
  6. Step 6: Final answer
    x = 104,099.09

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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.