Home / 175,424.46-242,196.45-121,690.68

Finding the Fourth Proportional to 175,424.46, 242,196.45 and 121,690.68

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Solution

The fourth proportional to 175,424.46, 242,196.45 and 121,690.68 is: 168,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,424.46 : 242,196.45 = 121,690.68 : x
  2. Step 2: Convert to fraction form
    175,424.46/242,196.45 = 121,690.68/x
  3. Step 3: Cross multiply
    175,424.46x = 242,196.45 × 121,690.68
  4. Step 4: Simplify right side
    175,424.46x = 29,473,050,694.09
  5. Step 5: Solve for x
    x = 29,473,050,694.09/175,424.46
  6. Step 6: Final answer
    x = 168,009.93

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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.