Home / 134,867.84-186,118.16-74,439

Finding the Fourth Proportional to 134,867.84, 186,118.16 and 74,439

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Solution

The fourth proportional to 134,867.84, 186,118.16 and 74,439 is: 102,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.84 : 186,118.16 = 74,439 : x
  2. Step 2: Convert to fraction form
    134,867.84/186,118.16 = 74,439/x
  3. Step 3: Cross multiply
    134,867.84x = 186,118.16 × 74,439
  4. Step 4: Simplify right side
    134,867.84x = 13,854,449,340.05
  5. Step 5: Solve for x
    x = 13,854,449,340.05/134,867.84
  6. Step 6: Final answer
    x = 102,726.12

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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.