Home / 134,243.18-185,259.92-73,818.18

Finding the Fourth Proportional to 134,243.18, 185,259.92 and 73,818.18

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Solution

The fourth proportional to 134,243.18, 185,259.92 and 73,818.18 is: 101,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,243.18 : 185,259.92 = 73,818.18 : x
  2. Step 2: Convert to fraction form
    134,243.18/185,259.92 = 73,818.18/x
  3. Step 3: Cross multiply
    134,243.18x = 185,259.92 × 73,818.18
  4. Step 4: Simplify right side
    134,243.18x = 13,675,550,121.35
  5. Step 5: Solve for x
    x = 13,675,550,121.35/134,243.18
  6. Step 6: Final answer
    x = 101,871.47

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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.