Home / 155,394.24-232,590.06-80,411.22

Finding the Fourth Proportional to 155,394.24, 232,590.06 and 80,411.22

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Solution

The fourth proportional to 155,394.24, 232,590.06 and 80,411.22 is: 120,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,394.24 : 232,590.06 = 80,411.22 : x
  2. Step 2: Convert to fraction form
    155,394.24/232,590.06 = 80,411.22/x
  3. Step 3: Cross multiply
    155,394.24x = 232,590.06 × 80,411.22
  4. Step 4: Simplify right side
    155,394.24x = 18,702,850,484.47
  5. Step 5: Solve for x
    x = 18,702,850,484.47/155,394.24
  6. Step 6: Final answer
    x = 120,357.42

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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.