Home / 146,219.80-219,329.70-87,237.40

Finding the Fourth Proportional to 146,219.80, 219,329.70 and 87,237.40

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Solution

The fourth proportional to 146,219.80, 219,329.70 and 87,237.40 is: 130,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.80 : 219,329.70 = 87,237.40 : x
  2. Step 2: Convert to fraction form
    146,219.80/219,329.70 = 87,237.40/x
  3. Step 3: Cross multiply
    146,219.80x = 219,329.70 × 87,237.40
  4. Step 4: Simplify right side
    146,219.80x = 19,133,752,770.78
  5. Step 5: Solve for x
    x = 19,133,752,770.78/146,219.80
  6. Step 6: Final answer
    x = 130,856.10

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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.