Home / 109,444.90-164,138.16-30,545.26

Finding the Fourth Proportional to 109,444.90, 164,138.16 and 30,545.26

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Solution

The fourth proportional to 109,444.90, 164,138.16 and 30,545.26 is: 45,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,444.90 : 164,138.16 = 30,545.26 : x
  2. Step 2: Convert to fraction form
    109,444.90/164,138.16 = 30,545.26/x
  3. Step 3: Cross multiply
    109,444.90x = 164,138.16 × 30,545.26
  4. Step 4: Simplify right side
    109,444.90x = 5,013,642,773.12
  5. Step 5: Solve for x
    x = 5,013,642,773.12/109,444.90
  6. Step 6: Final answer
    x = 45,809.74

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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.