Home / 134,600.16-185,754.48-78,029.28

Finding the Fourth Proportional to 134,600.16, 185,754.48 and 78,029.28

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Solution

The fourth proportional to 134,600.16, 185,754.48 and 78,029.28 is: 107,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600.16 : 185,754.48 = 78,029.28 : x
  2. Step 2: Convert to fraction form
    134,600.16/185,754.48 = 78,029.28/x
  3. Step 3: Cross multiply
    134,600.16x = 185,754.48 × 78,029.28
  4. Step 4: Simplify right side
    134,600.16x = 14,494,288,331.17
  5. Step 5: Solve for x
    x = 14,494,288,331.17/134,600.16
  6. Step 6: Final answer
    x = 107,684.03

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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.