Home / 136,001.70-204,002.55-128,225.70

Finding the Fourth Proportional to 136,001.70, 204,002.55 and 128,225.70

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Solution

The fourth proportional to 136,001.70, 204,002.55 and 128,225.70 is: 192,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,001.70 : 204,002.55 = 128,225.70 : x
  2. Step 2: Convert to fraction form
    136,001.70/204,002.55 = 128,225.70/x
  3. Step 3: Cross multiply
    136,001.70x = 204,002.55 × 128,225.70
  4. Step 4: Simplify right side
    136,001.70x = 26,158,369,775.54
  5. Step 5: Solve for x
    x = 26,158,369,775.54/136,001.70
  6. Step 6: Final answer
    x = 192,338.55

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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.