Home / 148,176.25-204,486.47-81,108.25

Finding the Fourth Proportional to 148,176.25, 204,486.47 and 81,108.25

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Solution

The fourth proportional to 148,176.25, 204,486.47 and 81,108.25 is: 111,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,176.25 : 204,486.47 = 81,108.25 : x
  2. Step 2: Convert to fraction form
    148,176.25/204,486.47 = 81,108.25/x
  3. Step 3: Cross multiply
    148,176.25x = 204,486.47 × 81,108.25
  4. Step 4: Simplify right side
    148,176.25x = 16,585,539,324.84
  5. Step 5: Solve for x
    x = 16,585,539,324.84/148,176.25
  6. Step 6: Final answer
    x = 111,931.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.