Home / 109,604.97-151,255.08-61,206.66

Finding the Fourth Proportional to 109,604.97, 151,255.08 and 61,206.66

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Solution

The fourth proportional to 109,604.97, 151,255.08 and 61,206.66 is: 84,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604.97 : 151,255.08 = 61,206.66 : x
  2. Step 2: Convert to fraction form
    109,604.97/151,255.08 = 61,206.66/x
  3. Step 3: Cross multiply
    109,604.97x = 151,255.08 × 61,206.66
  4. Step 4: Simplify right side
    109,604.97x = 9,257,818,254.83
  5. Step 5: Solve for x
    x = 9,257,818,254.83/109,604.97
  6. Step 6: Final answer
    x = 84,465.31

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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.