Home / 160,790.03-221,875.70-89,169.83

Finding the Fourth Proportional to 160,790.03, 221,875.70 and 89,169.83

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Solution

The fourth proportional to 160,790.03, 221,875.70 and 89,169.83 is: 123,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,790.03 : 221,875.70 = 89,169.83 : x
  2. Step 2: Convert to fraction form
    160,790.03/221,875.70 = 89,169.83/x
  3. Step 3: Cross multiply
    160,790.03x = 221,875.70 × 89,169.83
  4. Step 4: Simplify right side
    160,790.03x = 19,784,616,894.90
  5. Step 5: Solve for x
    x = 19,784,616,894.90/160,790.03
  6. Step 6: Final answer
    x = 123,046.30

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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.