Home / 320,526.73-480,612.66-131,120.18

Finding the Fourth Proportional to 320,526.73, 480,612.66 and 131,120.18

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Solution

The fourth proportional to 320,526.73, 480,612.66 and 131,120.18 is: 196,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,526.73 : 480,612.66 = 131,120.18 : x
  2. Step 2: Convert to fraction form
    320,526.73/480,612.66 = 131,120.18/x
  3. Step 3: Cross multiply
    320,526.73x = 480,612.66 × 131,120.18
  4. Step 4: Simplify right side
    320,526.73x = 63,018,017,397.01
  5. Step 5: Solve for x
    x = 63,018,017,397.01/320,526.73
  6. Step 6: Final answer
    x = 196,607.68

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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.