Home / 147,334.09-203,320.91-80,266.09

Finding the Fourth Proportional to 147,334.09, 203,320.91 and 80,266.09

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Solution

The fourth proportional to 147,334.09, 203,320.91 and 80,266.09 is: 110,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,334.09 : 203,320.91 = 80,266.09 : x
  2. Step 2: Convert to fraction form
    147,334.09/203,320.91 = 80,266.09/x
  3. Step 3: Cross multiply
    147,334.09x = 203,320.91 × 80,266.09
  4. Step 4: Simplify right side
    147,334.09x = 16,319,774,059.61
  5. Step 5: Solve for x
    x = 16,319,774,059.61/147,334.09
  6. Step 6: Final answer
    x = 110,767.13

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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.