Home / 99,708.29-149,530.07-33,130.55

Finding the Fourth Proportional to 99,708.29, 149,530.07 and 33,130.55

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Solution

The fourth proportional to 99,708.29, 149,530.07 and 33,130.55 is: 49,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708.29 : 149,530.07 = 33,130.55 : x
  2. Step 2: Convert to fraction form
    99,708.29/149,530.07 = 33,130.55/x
  3. Step 3: Cross multiply
    99,708.29x = 149,530.07 × 33,130.55
  4. Step 4: Simplify right side
    99,708.29x = 4,954,012,547.34
  5. Step 5: Solve for x
    x = 4,954,012,547.34/99,708.29
  6. Step 6: Final answer
    x = 49,685.06

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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.