Home / 127,146.47-175,467.60-70,557.84

Finding the Fourth Proportional to 127,146.47, 175,467.60 and 70,557.84

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Solution

The fourth proportional to 127,146.47, 175,467.60 and 70,557.84 is: 97,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146.47 : 175,467.60 = 70,557.84 : x
  2. Step 2: Convert to fraction form
    127,146.47/175,467.60 = 70,557.84/x
  3. Step 3: Cross multiply
    127,146.47x = 175,467.60 × 70,557.84
  4. Step 4: Simplify right side
    127,146.47x = 12,380,614,845.98
  5. Step 5: Solve for x
    x = 12,380,614,845.98/127,146.47
  6. Step 6: Final answer
    x = 97,372.86

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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.