Home / 146,535.40-219,803.10-84,327.40

Finding the Fourth Proportional to 146,535.40, 219,803.10 and 84,327.40

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Solution

The fourth proportional to 146,535.40, 219,803.10 and 84,327.40 is: 126,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,535.40 : 219,803.10 = 84,327.40 : x
  2. Step 2: Convert to fraction form
    146,535.40/219,803.10 = 84,327.40/x
  3. Step 3: Cross multiply
    146,535.40x = 219,803.10 × 84,327.40
  4. Step 4: Simplify right side
    146,535.40x = 18,535,423,934.94
  5. Step 5: Solve for x
    x = 18,535,423,934.94/146,535.40
  6. Step 6: Final answer
    x = 126,491.10

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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.