Home / 109,574.94-151,209.45-68,761.08

Finding the Fourth Proportional to 109,574.94, 151,209.45 and 68,761.08

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Solution

The fourth proportional to 109,574.94, 151,209.45 and 68,761.08 is: 94,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,574.94 : 151,209.45 = 68,761.08 : x
  2. Step 2: Convert to fraction form
    109,574.94/151,209.45 = 68,761.08/x
  3. Step 3: Cross multiply
    109,574.94x = 151,209.45 × 68,761.08
  4. Step 4: Simplify right side
    109,574.94x = 10,397,325,088.21
  5. Step 5: Solve for x
    x = 10,397,325,088.21/109,574.94
  6. Step 6: Final answer
    x = 94,887.80

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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.