Home / 160,660.61-221,711.67-89,045.26

Finding the Fourth Proportional to 160,660.61, 221,711.67 and 89,045.26

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Solution

The fourth proportional to 160,660.61, 221,711.67 and 89,045.26 is: 122,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.61 : 221,711.67 = 89,045.26 : x
  2. Step 2: Convert to fraction form
    160,660.61/221,711.67 = 89,045.26/x
  3. Step 3: Cross multiply
    160,660.61x = 221,711.67 × 89,045.26
  4. Step 4: Simplify right side
    160,660.61x = 19,742,372,745.91
  5. Step 5: Solve for x
    x = 19,742,372,745.91/160,660.61
  6. Step 6: Final answer
    x = 122,882.47

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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.