Home / 155,289.48-232,768.10-80,334.16

Finding the Fourth Proportional to 155,289.48, 232,768.10 and 80,334.16

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Solution

The fourth proportional to 155,289.48, 232,768.10 and 80,334.16 is: 120,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289.48 : 232,768.10 = 80,334.16 : x
  2. Step 2: Convert to fraction form
    155,289.48/232,768.10 = 80,334.16/x
  3. Step 3: Cross multiply
    155,289.48x = 232,768.10 × 80,334.16
  4. Step 4: Simplify right side
    155,289.48x = 18,699,229,788.30
  5. Step 5: Solve for x
    x = 18,699,229,788.30/155,289.48
  6. Step 6: Final answer
    x = 120,415.30

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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.