Home / 166,141.72-229,275.49-90,690.22

Finding the Fourth Proportional to 166,141.72, 229,275.49 and 90,690.22

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Solution

The fourth proportional to 166,141.72, 229,275.49 and 90,690.22 is: 125,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,141.72 : 229,275.49 = 90,690.22 : x
  2. Step 2: Convert to fraction form
    166,141.72/229,275.49 = 90,690.22/x
  3. Step 3: Cross multiply
    166,141.72x = 229,275.49 × 90,690.22
  4. Step 4: Simplify right side
    166,141.72x = 20,793,044,628.71
  5. Step 5: Solve for x
    x = 20,793,044,628.71/166,141.72
  6. Step 6: Final answer
    x = 125,152.46

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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.