Home / 148,575-222,836.61-68,606.16

Finding the Fourth Proportional to 148,575, 222,836.61 and 68,606.16

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Solution

The fourth proportional to 148,575, 222,836.61 and 68,606.16 is: 102,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,575 : 222,836.61 = 68,606.16 : x
  2. Step 2: Convert to fraction form
    148,575/222,836.61 = 68,606.16/x
  3. Step 3: Cross multiply
    148,575x = 222,836.61 × 68,606.16
  4. Step 4: Simplify right side
    148,575x = 15,287,964,119.52
  5. Step 5: Solve for x
    x = 15,287,964,119.52/148,575
  6. Step 6: Final answer
    x = 102,897.29

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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.