Home / 147,588.60-221,447.70-68,662.20

Finding the Fourth Proportional to 147,588.60, 221,447.70 and 68,662.20

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Solution

The fourth proportional to 147,588.60, 221,447.70 and 68,662.20 is: 103,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.60 : 221,447.70 = 68,662.20 : x
  2. Step 2: Convert to fraction form
    147,588.60/221,447.70 = 68,662.20/x
  3. Step 3: Cross multiply
    147,588.60x = 221,447.70 × 68,662.20
  4. Step 4: Simplify right side
    147,588.60x = 15,205,086,266.94
  5. Step 5: Solve for x
    x = 15,205,086,266.94/147,588.60
  6. Step 6: Final answer
    x = 103,023.45

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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.