Home / 109,345.95-163,763.73-84,186.27

Finding the Fourth Proportional to 109,345.95, 163,763.73 and 84,186.27

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Solution

The fourth proportional to 109,345.95, 163,763.73 and 84,186.27 is: 126,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,345.95 : 163,763.73 = 84,186.27 : x
  2. Step 2: Convert to fraction form
    109,345.95/163,763.73 = 84,186.27/x
  3. Step 3: Cross multiply
    109,345.95x = 163,763.73 × 84,186.27
  4. Step 4: Simplify right side
    109,345.95x = 13,786,657,589.99
  5. Step 5: Solve for x
    x = 13,786,657,589.99/109,345.95
  6. Step 6: Final answer
    x = 126,082.93

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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.