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Finding the Fourth Proportional to 115,551, 173,341.08 and 39,664.33

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Solution

The fourth proportional to 115,551, 173,341.08 and 39,664.33 is: 59,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,551 : 173,341.08 = 39,664.33 : x
  2. Step 2: Convert to fraction form
    115,551/173,341.08 = 39,664.33/x
  3. Step 3: Cross multiply
    115,551x = 173,341.08 × 39,664.33
  4. Step 4: Simplify right side
    115,551x = 6,875,457,366.32
  5. Step 5: Solve for x
    x = 6,875,457,366.32/115,551
  6. Step 6: Final answer
    x = 59,501.50

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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.