Home / 160,660.80-221,711.93-89,045.45

Finding the Fourth Proportional to 160,660.80, 221,711.93 and 89,045.45

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Solution

The fourth proportional to 160,660.80, 221,711.93 and 89,045.45 is: 122,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.80 : 221,711.93 = 89,045.45 : x
  2. Step 2: Convert to fraction form
    160,660.80/221,711.93 = 89,045.45/x
  3. Step 3: Cross multiply
    160,660.80x = 221,711.93 × 89,045.45
  4. Step 4: Simplify right side
    160,660.80x = 19,742,437,023.43
  5. Step 5: Solve for x
    x = 19,742,437,023.43/160,660.80
  6. Step 6: Final answer
    x = 122,882.73

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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.