Home / 161,036.40-222,237.02-89,423.09

Finding the Fourth Proportional to 161,036.40, 222,237.02 and 89,423.09

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Solution

The fourth proportional to 161,036.40, 222,237.02 and 89,423.09 is: 123,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,036.40 : 222,237.02 = 89,423.09 : x
  2. Step 2: Convert to fraction form
    161,036.40/222,237.02 = 89,423.09/x
  3. Step 3: Cross multiply
    161,036.40x = 222,237.02 × 89,423.09
  4. Step 4: Simplify right side
    161,036.40x = 19,873,120,483.55
  5. Step 5: Solve for x
    x = 19,873,120,483.55/161,036.40
  6. Step 6: Final answer
    x = 123,407.63

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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.