Home / 127,187.16-175,518.94-79,468.18

Finding the Fourth Proportional to 127,187.16, 175,518.94 and 79,468.18

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Solution

The fourth proportional to 127,187.16, 175,518.94 and 79,468.18 is: 109,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187.16 : 175,518.94 = 79,468.18 : x
  2. Step 2: Convert to fraction form
    127,187.16/175,518.94 = 79,468.18/x
  3. Step 3: Cross multiply
    127,187.16x = 175,518.94 × 79,468.18
  4. Step 4: Simplify right side
    127,187.16x = 13,948,170,717.33
  5. Step 5: Solve for x
    x = 13,948,170,717.33/127,187.16
  6. Step 6: Final answer
    x = 109,666.50

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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.