Home / 127,060.80-190,334.16-60,565.20

Finding the Fourth Proportional to 127,060.80, 190,334.16 and 60,565.20

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Solution

The fourth proportional to 127,060.80, 190,334.16 and 60,565.20 is: 90,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,060.80 : 190,334.16 = 60,565.20 : x
  2. Step 2: Convert to fraction form
    127,060.80/190,334.16 = 60,565.20/x
  3. Step 3: Cross multiply
    127,060.80x = 190,334.16 × 60,565.20
  4. Step 4: Simplify right side
    127,060.80x = 11,527,626,467.23
  5. Step 5: Solve for x
    x = 11,527,626,467.23/127,060.80
  6. Step 6: Final answer
    x = 90,725.28

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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.