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Finding the Fourth Proportional to 104,331, 143,984.22 and 59,009.40

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Solution

The fourth proportional to 104,331, 143,984.22 and 59,009.40 is: 81,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,331 : 143,984.22 = 59,009.40 : x
  2. Step 2: Convert to fraction form
    104,331/143,984.22 = 59,009.40/x
  3. Step 3: Cross multiply
    104,331x = 143,984.22 × 59,009.40
  4. Step 4: Simplify right side
    104,331x = 8,496,422,431.67
  5. Step 5: Solve for x
    x = 8,496,422,431.67/104,331
  6. Step 6: Final answer
    x = 81,437.18

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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.