Home / 127,301.52-175,681.08-87,099.60

Finding the Fourth Proportional to 127,301.52, 175,681.08 and 87,099.60

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Solution

The fourth proportional to 127,301.52, 175,681.08 and 87,099.60 is: 120,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,301.52 : 175,681.08 = 87,099.60 : x
  2. Step 2: Convert to fraction form
    127,301.52/175,681.08 = 87,099.60/x
  3. Step 3: Cross multiply
    127,301.52x = 175,681.08 × 87,099.60
  4. Step 4: Simplify right side
    127,301.52x = 15,301,751,795.57
  5. Step 5: Solve for x
    x = 15,301,751,795.57/127,301.52
  6. Step 6: Final answer
    x = 120,200.86

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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.