Home / 160,678.16-221,737.48-89,059.76

Finding the Fourth Proportional to 160,678.16, 221,737.48 and 89,059.76

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Solution

The fourth proportional to 160,678.16, 221,737.48 and 89,059.76 is: 122,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,678.16 : 221,737.48 = 89,059.76 : x
  2. Step 2: Convert to fraction form
    160,678.16/221,737.48 = 89,059.76/x
  3. Step 3: Cross multiply
    160,678.16x = 221,737.48 × 89,059.76
  4. Step 4: Simplify right side
    160,678.16x = 19,747,886,751.80
  5. Step 5: Solve for x
    x = 19,747,886,751.80/160,678.16
  6. Step 6: Final answer
    x = 122,903.37

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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.