Home / 147,991.30-222,003.15-143,325.70

Finding the Fourth Proportional to 147,991.30, 222,003.15 and 143,325.70

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Solution

The fourth proportional to 147,991.30, 222,003.15 and 143,325.70 is: 215,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,991.30 : 222,003.15 = 143,325.70 : x
  2. Step 2: Convert to fraction form
    147,991.30/222,003.15 = 143,325.70/x
  3. Step 3: Cross multiply
    147,991.30x = 222,003.15 × 143,325.70
  4. Step 4: Simplify right side
    147,991.30x = 31,818,756,875.96
  5. Step 5: Solve for x
    x = 31,818,756,875.96/147,991.30
  6. Step 6: Final answer
    x = 215,004.24

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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.