Home / 109,111.44-150,561.56-61,363.78

Finding the Fourth Proportional to 109,111.44, 150,561.56 and 61,363.78

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Solution

The fourth proportional to 109,111.44, 150,561.56 and 61,363.78 is: 84,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.44 : 150,561.56 = 61,363.78 : x
  2. Step 2: Convert to fraction form
    109,111.44/150,561.56 = 61,363.78/x
  3. Step 3: Cross multiply
    109,111.44x = 150,561.56 × 61,363.78
  4. Step 4: Simplify right side
    109,111.44x = 9,239,026,444.30
  5. Step 5: Solve for x
    x = 9,239,026,444.30/109,111.44
  6. Step 6: Final answer
    x = 84,675.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.