Home / 134,767.49-185,980.43-74,340.68

Finding the Fourth Proportional to 134,767.49, 185,980.43 and 74,340.68

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Solution

The fourth proportional to 134,767.49, 185,980.43 and 74,340.68 is: 102,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,767.49 : 185,980.43 = 74,340.68 : x
  2. Step 2: Convert to fraction form
    134,767.49/185,980.43 = 74,340.68/x
  3. Step 3: Cross multiply
    134,767.49x = 185,980.43 × 74,340.68
  4. Step 4: Simplify right side
    134,767.49x = 13,825,911,632.89
  5. Step 5: Solve for x
    x = 13,825,911,632.89/134,767.49
  6. Step 6: Final answer
    x = 102,590.85

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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.