Home / 147,931.20-222,069.60-84,801.60

Finding the Fourth Proportional to 147,931.20, 222,069.60 and 84,801.60

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Solution

The fourth proportional to 147,931.20, 222,069.60 and 84,801.60 is: 127,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.20 : 222,069.60 = 84,801.60 : x
  2. Step 2: Convert to fraction form
    147,931.20/222,069.60 = 84,801.60/x
  3. Step 3: Cross multiply
    147,931.20x = 222,069.60 × 84,801.60
  4. Step 4: Simplify right side
    147,931.20x = 18,831,857,391.36
  5. Step 5: Solve for x
    x = 18,831,857,391.36/147,931.20
  6. Step 6: Final answer
    x = 127,301.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.