Home / 109,055.28-163,582.90-30,167.45

Finding the Fourth Proportional to 109,055.28, 163,582.90 and 30,167.45

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Solution

The fourth proportional to 109,055.28, 163,582.90 and 30,167.45 is: 45,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.28 : 163,582.90 = 30,167.45 : x
  2. Step 2: Convert to fraction form
    109,055.28/163,582.90 = 30,167.45/x
  3. Step 3: Cross multiply
    109,055.28x = 163,582.90 × 30,167.45
  4. Step 4: Simplify right side
    109,055.28x = 4,934,878,956.61
  5. Step 5: Solve for x
    x = 4,934,878,956.61/109,055.28
  6. Step 6: Final answer
    x = 45,251.17

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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.