Home / 127,142.16-175,464.39-70,553.53

Finding the Fourth Proportional to 127,142.16, 175,464.39 and 70,553.53

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Solution

The fourth proportional to 127,142.16, 175,464.39 and 70,553.53 is: 97,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,142.16 : 175,464.39 = 70,553.53 : x
  2. Step 2: Convert to fraction form
    127,142.16/175,464.39 = 70,553.53/x
  3. Step 3: Cross multiply
    127,142.16x = 175,464.39 × 70,553.53
  4. Step 4: Simplify right side
    127,142.16x = 12,379,632,587.70
  5. Step 5: Solve for x
    x = 12,379,632,587.70/127,142.16
  6. Step 6: Final answer
    x = 97,368.43

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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.