Home / 148,176.28-204,486.51-81,108.28

Finding the Fourth Proportional to 148,176.28, 204,486.51 and 81,108.28

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Solution

The fourth proportional to 148,176.28, 204,486.51 and 81,108.28 is: 111,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,176.28 : 204,486.51 = 81,108.28 : x
  2. Step 2: Convert to fraction form
    148,176.28/204,486.51 = 81,108.28/x
  3. Step 3: Cross multiply
    148,176.28x = 204,486.51 × 81,108.28
  4. Step 4: Simplify right side
    148,176.28x = 16,585,549,212.83
  5. Step 5: Solve for x
    x = 16,585,549,212.83/148,176.28
  6. Step 6: Final answer
    x = 111,931.20

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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.