Home / 134,622.81-185,780.79-74,193.57

Finding the Fourth Proportional to 134,622.81, 185,780.79 and 74,193.57

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Solution

The fourth proportional to 134,622.81, 185,780.79 and 74,193.57 is: 102,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,622.81 : 185,780.79 = 74,193.57 : x
  2. Step 2: Convert to fraction form
    134,622.81/185,780.79 = 74,193.57/x
  3. Step 3: Cross multiply
    134,622.81x = 185,780.79 × 74,193.57
  4. Step 4: Simplify right side
    134,622.81x = 13,783,740,047.52
  5. Step 5: Solve for x
    x = 13,783,740,047.52/134,622.81
  6. Step 6: Final answer
    x = 102,387.85

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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.