Home / 160,947.66-222,106.14-89,328.30

Finding the Fourth Proportional to 160,947.66, 222,106.14 and 89,328.30

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Solution

The fourth proportional to 160,947.66, 222,106.14 and 89,328.30 is: 123,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,947.66 : 222,106.14 = 89,328.30 : x
  2. Step 2: Convert to fraction form
    160,947.66/222,106.14 = 89,328.30/x
  3. Step 3: Cross multiply
    160,947.66x = 222,106.14 × 89,328.30
  4. Step 4: Simplify right side
    160,947.66x = 19,840,363,905.76
  5. Step 5: Solve for x
    x = 19,840,363,905.76/160,947.66
  6. Step 6: Final answer
    x = 123,272.15

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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.