Home / 89,738.20-134,348.10-54,746.20

Finding the Fourth Proportional to 89,738.20, 134,348.10 and 54,746.20

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Solution

The fourth proportional to 89,738.20, 134,348.10 and 54,746.20 is: 81,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738.20 : 134,348.10 = 54,746.20 : x
  2. Step 2: Convert to fraction form
    89,738.20/134,348.10 = 54,746.20/x
  3. Step 3: Cross multiply
    89,738.20x = 134,348.10 × 54,746.20
  4. Step 4: Simplify right side
    89,738.20x = 7,355,047,952.22
  5. Step 5: Solve for x
    x = 7,355,047,952.22/89,738.20
  6. Step 6: Final answer
    x = 81,961.17

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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.