Home / 161,490.24-222,860.16-89,877.60

Finding the Fourth Proportional to 161,490.24, 222,860.16 and 89,877.60

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Solution

The fourth proportional to 161,490.24, 222,860.16 and 89,877.60 is: 124,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,490.24 : 222,860.16 = 89,877.60 : x
  2. Step 2: Convert to fraction form
    161,490.24/222,860.16 = 89,877.60/x
  3. Step 3: Cross multiply
    161,490.24x = 222,860.16 × 89,877.60
  4. Step 4: Simplify right side
    161,490.24x = 20,030,136,316.42
  5. Step 5: Solve for x
    x = 20,030,136,316.42/161,490.24
  6. Step 6: Final answer
    x = 124,033.11

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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.