Home / 122,402.13-183,246.59-90,951.65

Finding the Fourth Proportional to 122,402.13, 183,246.59 and 90,951.65

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Solution

The fourth proportional to 122,402.13, 183,246.59 and 90,951.65 is: 136,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,402.13 : 183,246.59 = 90,951.65 : x
  2. Step 2: Convert to fraction form
    122,402.13/183,246.59 = 90,951.65/x
  3. Step 3: Cross multiply
    122,402.13x = 183,246.59 × 90,951.65
  4. Step 4: Simplify right side
    122,402.13x = 16,666,579,262.62
  5. Step 5: Solve for x
    x = 16,666,579,262.62/122,402.13
  6. Step 6: Final answer
    x = 136,162.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.