Home / 161,068.47-222,277.50-89,455.20

Finding the Fourth Proportional to 161,068.47, 222,277.50 and 89,455.20

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Solution

The fourth proportional to 161,068.47, 222,277.50 and 89,455.20 is: 123,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,068.47 : 222,277.50 = 89,455.20 : x
  2. Step 2: Convert to fraction form
    161,068.47/222,277.50 = 89,455.20/x
  3. Step 3: Cross multiply
    161,068.47x = 222,277.50 × 89,455.20
  4. Step 4: Simplify right side
    161,068.47x = 19,883,878,218
  5. Step 5: Solve for x
    x = 19,883,878,218/161,068.47
  6. Step 6: Final answer
    x = 123,449.85

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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.