Home / 103,616.68-155,425.02-41,287.72

Finding the Fourth Proportional to 103,616.68, 155,425.02 and 41,287.72

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Solution

The fourth proportional to 103,616.68, 155,425.02 and 41,287.72 is: 61,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.68 : 155,425.02 = 41,287.72 : x
  2. Step 2: Convert to fraction form
    103,616.68/155,425.02 = 41,287.72/x
  3. Step 3: Cross multiply
    103,616.68x = 155,425.02 × 41,287.72
  4. Step 4: Simplify right side
    103,616.68x = 6,417,144,706.75
  5. Step 5: Solve for x
    x = 6,417,144,706.75/103,616.68
  6. Step 6: Final answer
    x = 61,931.58

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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.