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Finding the Fourth Proportional to 173,191.64, 259,802.16 and 60,862.12

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Solution

The fourth proportional to 173,191.64, 259,802.16 and 60,862.12 is: 91,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,191.64 : 259,802.16 = 60,862.12 : x
  2. Step 2: Convert to fraction form
    173,191.64/259,802.16 = 60,862.12/x
  3. Step 3: Cross multiply
    173,191.64x = 259,802.16 × 60,862.12
  4. Step 4: Simplify right side
    173,191.64x = 15,812,110,238.18
  5. Step 5: Solve for x
    x = 15,812,110,238.18/173,191.64
  6. Step 6: Final answer
    x = 91,298.35

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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.