Home / 90,943.44-136,330.79-46,472.15

Finding the Fourth Proportional to 90,943.44, 136,330.79 and 46,472.15

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Solution

The fourth proportional to 90,943.44, 136,330.79 and 46,472.15 is: 69,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,943.44 : 136,330.79 = 46,472.15 : x
  2. Step 2: Convert to fraction form
    90,943.44/136,330.79 = 46,472.15/x
  3. Step 3: Cross multiply
    90,943.44x = 136,330.79 × 46,472.15
  4. Step 4: Simplify right side
    90,943.44x = 6,335,584,008.48
  5. Step 5: Solve for x
    x = 6,335,584,008.48/90,943.44
  6. Step 6: Final answer
    x = 69,665.10

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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.