Home / 146,134.33-219,223.36-127,278.74

Finding the Fourth Proportional to 146,134.33, 219,223.36 and 127,278.74

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Solution

The fourth proportional to 146,134.33, 219,223.36 and 127,278.74 is: 190,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134.33 : 219,223.36 = 127,278.74 : x
  2. Step 2: Convert to fraction form
    146,134.33/219,223.36 = 127,278.74/x
  3. Step 3: Cross multiply
    146,134.33x = 219,223.36 × 127,278.74
  4. Step 4: Simplify right side
    146,134.33x = 27,902,473,746.52
  5. Step 5: Solve for x
    x = 27,902,473,746.52/146,134.33
  6. Step 6: Final answer
    x = 190,937.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.