Home / 134,740.70-185,946.78-74,313.20

Finding the Fourth Proportional to 134,740.70, 185,946.78 and 74,313.20

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Solution

The fourth proportional to 134,740.70, 185,946.78 and 74,313.20 is: 102,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.70 : 185,946.78 = 74,313.20 : x
  2. Step 2: Convert to fraction form
    134,740.70/185,946.78 = 74,313.20/x
  3. Step 3: Cross multiply
    134,740.70x = 185,946.78 × 74,313.20
  4. Step 4: Simplify right side
    134,740.70x = 13,818,300,251.50
  5. Step 5: Solve for x
    x = 13,818,300,251.50/134,740.70
  6. Step 6: Final answer
    x = 102,554.76

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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.