Home / 134,449.36-185,551.56-74,031.76

Finding the Fourth Proportional to 134,449.36, 185,551.56 and 74,031.76

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Solution

The fourth proportional to 134,449.36, 185,551.56 and 74,031.76 is: 102,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,449.36 : 185,551.56 = 74,031.76 : x
  2. Step 2: Convert to fraction form
    134,449.36/185,551.56 = 74,031.76/x
  3. Step 3: Cross multiply
    134,449.36x = 185,551.56 × 74,031.76
  4. Step 4: Simplify right side
    134,449.36x = 13,736,708,557.55
  5. Step 5: Solve for x
    x = 13,736,708,557.55/134,449.36
  6. Step 6: Final answer
    x = 102,170.13

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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.