Home / 134,756.43-185,964.75-74,328.71

Finding the Fourth Proportional to 134,756.43, 185,964.75 and 74,328.71

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Solution

The fourth proportional to 134,756.43, 185,964.75 and 74,328.71 is: 102,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,756.43 : 185,964.75 = 74,328.71 : x
  2. Step 2: Convert to fraction form
    134,756.43/185,964.75 = 74,328.71/x
  3. Step 3: Cross multiply
    134,756.43x = 185,964.75 × 74,328.71
  4. Step 4: Simplify right side
    134,756.43x = 13,822,519,043.15
  5. Step 5: Solve for x
    x = 13,822,519,043.15/134,756.43
  6. Step 6: Final answer
    x = 102,574.10

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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.