Home / 160,828.22-221,944.02-89,209.46

Finding the Fourth Proportional to 160,828.22, 221,944.02 and 89,209.46

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Solution

The fourth proportional to 160,828.22, 221,944.02 and 89,209.46 is: 123,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,828.22 : 221,944.02 = 89,209.46 : x
  2. Step 2: Convert to fraction form
    160,828.22/221,944.02 = 89,209.46/x
  3. Step 3: Cross multiply
    160,828.22x = 221,944.02 × 89,209.46
  4. Step 4: Simplify right side
    160,828.22x = 19,799,506,174.43
  5. Step 5: Solve for x
    x = 19,799,506,174.43/160,828.22
  6. Step 6: Final answer
    x = 123,109.65

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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.