Home / 103,307.32-155,035.68-36,748

Finding the Fourth Proportional to 103,307.32, 155,035.68 and 36,748

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Solution

The fourth proportional to 103,307.32, 155,035.68 and 36,748 is: 55,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,307.32 : 155,035.68 = 36,748 : x
  2. Step 2: Convert to fraction form
    103,307.32/155,035.68 = 36,748/x
  3. Step 3: Cross multiply
    103,307.32x = 155,035.68 × 36,748
  4. Step 4: Simplify right side
    103,307.32x = 5,697,251,168.64
  5. Step 5: Solve for x
    x = 5,697,251,168.64/103,307.32
  6. Step 6: Final answer
    x = 55,148.57

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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.