Home / 155,430.08-232,840.04-80,599.15

Finding the Fourth Proportional to 155,430.08, 232,840.04 and 80,599.15

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Solution

The fourth proportional to 155,430.08, 232,840.04 and 80,599.15 is: 120,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.08 : 232,840.04 = 80,599.15 : x
  2. Step 2: Convert to fraction form
    155,430.08/232,840.04 = 80,599.15/x
  3. Step 3: Cross multiply
    155,430.08x = 232,840.04 × 80,599.15
  4. Step 4: Simplify right side
    155,430.08x = 18,766,707,742.77
  5. Step 5: Solve for x
    x = 18,766,707,742.77/155,430.08
  6. Step 6: Final answer
    x = 120,740.51

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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.