Home / 221,605.03-332,407.55-103,359.07

Finding the Fourth Proportional to 221,605.03, 332,407.55 and 103,359.07

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Solution

The fourth proportional to 221,605.03, 332,407.55 and 103,359.07 is: 155,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,605.03 : 332,407.55 = 103,359.07 : x
  2. Step 2: Convert to fraction form
    221,605.03/332,407.55 = 103,359.07/x
  3. Step 3: Cross multiply
    221,605.03x = 332,407.55 × 103,359.07
  4. Step 4: Simplify right side
    221,605.03x = 34,357,335,228.98
  5. Step 5: Solve for x
    x = 34,357,335,228.98/221,605.03
  6. Step 6: Final answer
    x = 155,038.61

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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.