Home / 148,370.32-204,744.36-81,300.88

Finding the Fourth Proportional to 148,370.32, 204,744.36 and 81,300.88

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Solution

The fourth proportional to 148,370.32, 204,744.36 and 81,300.88 is: 112,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,370.32 : 204,744.36 = 81,300.88 : x
  2. Step 2: Convert to fraction form
    148,370.32/204,744.36 = 81,300.88/x
  3. Step 3: Cross multiply
    148,370.32x = 204,744.36 × 81,300.88
  4. Step 4: Simplify right side
    148,370.32x = 16,645,896,643.04
  5. Step 5: Solve for x
    x = 16,645,896,643.04/148,370.32
  6. Step 6: Final answer
    x = 112,191.55

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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.