Home / 160,431.23-221,499.55-103,092.65

Finding the Fourth Proportional to 160,431.23, 221,499.55 and 103,092.65

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Solution

The fourth proportional to 160,431.23, 221,499.55 and 103,092.65 is: 142,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.23 : 221,499.55 = 103,092.65 : x
  2. Step 2: Convert to fraction form
    160,431.23/221,499.55 = 103,092.65/x
  3. Step 3: Cross multiply
    160,431.23x = 221,499.55 × 103,092.65
  4. Step 4: Simplify right side
    160,431.23x = 22,834,975,242.00
  5. Step 5: Solve for x
    x = 22,834,975,242.00/160,431.23
  6. Step 6: Final answer
    x = 142,334.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.