Home / 147,362.45-203,360.18-80,294.45

Finding the Fourth Proportional to 147,362.45, 203,360.18 and 80,294.45

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Solution

The fourth proportional to 147,362.45, 203,360.18 and 80,294.45 is: 110,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,362.45 : 203,360.18 = 80,294.45 : x
  2. Step 2: Convert to fraction form
    147,362.45/203,360.18 = 80,294.45/x
  3. Step 3: Cross multiply
    147,362.45x = 203,360.18 × 80,294.45
  4. Step 4: Simplify right side
    147,362.45x = 16,328,692,386.73
  5. Step 5: Solve for x
    x = 16,328,692,386.73/147,362.45
  6. Step 6: Final answer
    x = 110,806.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.