Home / 235,484.40-324,974.61-128,060.70

Finding the Fourth Proportional to 235,484.40, 324,974.61 and 128,060.70

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Solution

The fourth proportional to 235,484.40, 324,974.61 and 128,060.70 is: 176,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.40 : 324,974.61 = 128,060.70 : x
  2. Step 2: Convert to fraction form
    235,484.40/324,974.61 = 128,060.70/x
  3. Step 3: Cross multiply
    235,484.40x = 324,974.61 × 128,060.70
  4. Step 4: Simplify right side
    235,484.40x = 41,616,476,038.83
  5. Step 5: Solve for x
    x = 41,616,476,038.83/235,484.40
  6. Step 6: Final answer
    x = 176,727.10

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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.