Home / 134,826.45-186,061.04-74,398.86

Finding the Fourth Proportional to 134,826.45, 186,061.04 and 74,398.86

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Solution

The fourth proportional to 134,826.45, 186,061.04 and 74,398.86 is: 102,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,826.45 : 186,061.04 = 74,398.86 : x
  2. Step 2: Convert to fraction form
    134,826.45/186,061.04 = 74,398.86/x
  3. Step 3: Cross multiply
    134,826.45x = 186,061.04 × 74,398.86
  4. Step 4: Simplify right side
    134,826.45x = 13,842,729,266.41
  5. Step 5: Solve for x
    x = 13,842,729,266.41/134,826.45
  6. Step 6: Final answer
    x = 102,670.72

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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.