Home / 136,281.70-204,422.55-100,852.30

Finding the Fourth Proportional to 136,281.70, 204,422.55 and 100,852.30

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Solution

The fourth proportional to 136,281.70, 204,422.55 and 100,852.30 is: 151,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,281.70 : 204,422.55 = 100,852.30 : x
  2. Step 2: Convert to fraction form
    136,281.70/204,422.55 = 100,852.30/x
  3. Step 3: Cross multiply
    136,281.70x = 204,422.55 × 100,852.30
  4. Step 4: Simplify right side
    136,281.70x = 20,616,484,339.37
  5. Step 5: Solve for x
    x = 20,616,484,339.37/136,281.70
  6. Step 6: Final answer
    x = 151,278.45

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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.