Home / 134,752.05-202,146.57-45,981.72

Finding the Fourth Proportional to 134,752.05, 202,146.57 and 45,981.72

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Solution

The fourth proportional to 134,752.05, 202,146.57 and 45,981.72 is: 68,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752.05 : 202,146.57 = 45,981.72 : x
  2. Step 2: Convert to fraction form
    134,752.05/202,146.57 = 45,981.72/x
  3. Step 3: Cross multiply
    134,752.05x = 202,146.57 × 45,981.72
  4. Step 4: Simplify right side
    134,752.05x = 9,295,046,980.70
  5. Step 5: Solve for x
    x = 9,295,046,980.70/134,752.05
  6. Step 6: Final answer
    x = 68,978.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.