Home / 160,723.40-221,803.53-89,110.08

Finding the Fourth Proportional to 160,723.40, 221,803.53 and 89,110.08

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Solution

The fourth proportional to 160,723.40, 221,803.53 and 89,110.08 is: 122,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,723.40 : 221,803.53 = 89,110.08 : x
  2. Step 2: Convert to fraction form
    160,723.40/221,803.53 = 89,110.08/x
  3. Step 3: Cross multiply
    160,723.40x = 221,803.53 × 89,110.08
  4. Step 4: Simplify right side
    160,723.40x = 19,764,930,302.58
  5. Step 5: Solve for x
    x = 19,764,930,302.58/160,723.40
  6. Step 6: Final answer
    x = 122,974.81

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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.