Home / 145,184.91-200,268.29-91,376.51

Finding the Fourth Proportional to 145,184.91, 200,268.29 and 91,376.51

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Solution

The fourth proportional to 145,184.91, 200,268.29 and 91,376.51 is: 126,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184.91 : 200,268.29 = 91,376.51 : x
  2. Step 2: Convert to fraction form
    145,184.91/200,268.29 = 91,376.51/x
  3. Step 3: Cross multiply
    145,184.91x = 200,268.29 × 91,376.51
  4. Step 4: Simplify right side
    145,184.91x = 18,299,816,630.97
  5. Step 5: Solve for x
    x = 18,299,816,630.97/145,184.91
  6. Step 6: Final answer
    x = 126,044.90

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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.