Home / 148,020.60-222,261.30-85,812.60

Finding the Fourth Proportional to 148,020.60, 222,261.30 and 85,812.60

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Solution

The fourth proportional to 148,020.60, 222,261.30 and 85,812.60 is: 128,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.60 : 222,261.30 = 85,812.60 : x
  2. Step 2: Convert to fraction form
    148,020.60/222,261.30 = 85,812.60/x
  3. Step 3: Cross multiply
    148,020.60x = 222,261.30 × 85,812.60
  4. Step 4: Simplify right side
    148,020.60x = 19,072,820,032.38
  5. Step 5: Solve for x
    x = 19,072,820,032.38/148,020.60
  6. Step 6: Final answer
    x = 128,852.47

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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.