Home / 147,362.40-203,360.12-80,294.40

Finding the Fourth Proportional to 147,362.40, 203,360.12 and 80,294.40

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Solution

The fourth proportional to 147,362.40, 203,360.12 and 80,294.40 is: 110,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,362.40 : 203,360.12 = 80,294.40 : x
  2. Step 2: Convert to fraction form
    147,362.40/203,360.12 = 80,294.40/x
  3. Step 3: Cross multiply
    147,362.40x = 203,360.12 × 80,294.40
  4. Step 4: Simplify right side
    147,362.40x = 16,328,678,417.86
  5. Step 5: Solve for x
    x = 16,328,678,417.86/147,362.40
  6. Step 6: Final answer
    x = 110,806.27

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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.