Home / 134,901.42-186,164.24-74,472.15

Finding the Fourth Proportional to 134,901.42, 186,164.24 and 74,472.15

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Solution

The fourth proportional to 134,901.42, 186,164.24 and 74,472.15 is: 102,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.42 : 186,164.24 = 74,472.15 : x
  2. Step 2: Convert to fraction form
    134,901.42/186,164.24 = 74,472.15/x
  3. Step 3: Cross multiply
    134,901.42x = 186,164.24 × 74,472.15
  4. Step 4: Simplify right side
    134,901.42x = 13,864,051,205.92
  5. Step 5: Solve for x
    x = 13,864,051,205.92/134,901.42
  6. Step 6: Final answer
    x = 102,771.72

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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.