Home / 161,500.02-222,867.86-89,880.04

Finding the Fourth Proportional to 161,500.02, 222,867.86 and 89,880.04

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Solution

The fourth proportional to 161,500.02, 222,867.86 and 89,880.04 is: 124,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,500.02 : 222,867.86 = 89,880.04 : x
  2. Step 2: Convert to fraction form
    161,500.02/222,867.86 = 89,880.04/x
  3. Step 3: Cross multiply
    161,500.02x = 222,867.86 × 89,880.04
  4. Step 4: Simplify right side
    161,500.02x = 20,031,372,171.51
  5. Step 5: Solve for x
    x = 20,031,372,171.51/161,500.02
  6. Step 6: Final answer
    x = 124,033.25

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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.