Home / 134,756.64-202,309.92-103,613.76

Finding the Fourth Proportional to 134,756.64, 202,309.92 and 103,613.76

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Solution

The fourth proportional to 134,756.64, 202,309.92 and 103,613.76 is: 155,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,756.64 : 202,309.92 = 103,613.76 : x
  2. Step 2: Convert to fraction form
    134,756.64/202,309.92 = 103,613.76/x
  3. Step 3: Cross multiply
    134,756.64x = 202,309.92 × 103,613.76
  4. Step 4: Simplify right side
    134,756.64x = 20,962,091,496.50
  5. Step 5: Solve for x
    x = 20,962,091,496.50/134,756.64
  6. Step 6: Final answer
    x = 155,555.17

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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.