Home / 109,133.91-163,700.56-30,248.21

Finding the Fourth Proportional to 109,133.91, 163,700.56 and 30,248.21

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Solution

The fourth proportional to 109,133.91, 163,700.56 and 30,248.21 is: 45,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133.91 : 163,700.56 = 30,248.21 : x
  2. Step 2: Convert to fraction form
    109,133.91/163,700.56 = 30,248.21/x
  3. Step 3: Cross multiply
    109,133.91x = 163,700.56 × 30,248.21
  4. Step 4: Simplify right side
    109,133.91x = 4,951,648,916.00
  5. Step 5: Solve for x
    x = 4,951,648,916.00/109,133.91
  6. Step 6: Final answer
    x = 45,372.23

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1.5x scale

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.