Home / 109,117.41-163,657.89-30,239.61

Finding the Fourth Proportional to 109,117.41, 163,657.89 and 30,239.61

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Solution

The fourth proportional to 109,117.41, 163,657.89 and 30,239.61 is: 45,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,117.41 : 163,657.89 = 30,239.61 : x
  2. Step 2: Convert to fraction form
    109,117.41/163,657.89 = 30,239.61/x
  3. Step 3: Cross multiply
    109,117.41x = 163,657.89 × 30,239.61
  4. Step 4: Simplify right side
    109,117.41x = 4,948,950,767.02
  5. Step 5: Solve for x
    x = 4,948,950,767.02/109,117.41
  6. Step 6: Final answer
    x = 45,354.36

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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.