Home / 109,168.29-163,752.40-30,282.51

Finding the Fourth Proportional to 109,168.29, 163,752.40 and 30,282.51

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Solution

The fourth proportional to 109,168.29, 163,752.40 and 30,282.51 is: 45,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,168.29 : 163,752.40 = 30,282.51 : x
  2. Step 2: Convert to fraction form
    109,168.29/163,752.40 = 30,282.51/x
  3. Step 3: Cross multiply
    109,168.29x = 163,752.40 × 30,282.51
  4. Step 4: Simplify right side
    109,168.29x = 4,958,833,690.52
  5. Step 5: Solve for x
    x = 4,958,833,690.52/109,168.29
  6. Step 6: Final answer
    x = 45,423.76

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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.