Home / 155,430.21-232,840.22-80,599.27

Finding the Fourth Proportional to 155,430.21, 232,840.22 and 80,599.27

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Solution

The fourth proportional to 155,430.21, 232,840.22 and 80,599.27 is: 120,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.21 : 232,840.22 = 80,599.27 : x
  2. Step 2: Convert to fraction form
    155,430.21/232,840.22 = 80,599.27/x
  3. Step 3: Cross multiply
    155,430.21x = 232,840.22 × 80,599.27
  4. Step 4: Simplify right side
    155,430.21x = 18,766,751,758.64
  5. Step 5: Solve for x
    x = 18,766,751,758.64/155,430.21
  6. Step 6: Final answer
    x = 120,740.70

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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.