Home / 134,358.96-185,395.80-80,632.56

Finding the Fourth Proportional to 134,358.96, 185,395.80 and 80,632.56

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Solution

The fourth proportional to 134,358.96, 185,395.80 and 80,632.56 is: 111,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,358.96 : 185,395.80 = 80,632.56 : x
  2. Step 2: Convert to fraction form
    134,358.96/185,395.80 = 80,632.56/x
  3. Step 3: Cross multiply
    134,358.96x = 185,395.80 × 80,632.56
  4. Step 4: Simplify right side
    134,358.96x = 14,948,937,967.25
  5. Step 5: Solve for x
    x = 14,948,937,967.25/134,358.96
  6. Step 6: Final answer
    x = 111,261.19

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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.