Home / 115,825.60-159,818.76-68,088.64

Finding the Fourth Proportional to 115,825.60, 159,818.76 and 68,088.64

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Solution

The fourth proportional to 115,825.60, 159,818.76 and 68,088.64 is: 93,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,825.60 : 159,818.76 = 68,088.64 : x
  2. Step 2: Convert to fraction form
    115,825.60/159,818.76 = 68,088.64/x
  3. Step 3: Cross multiply
    115,825.60x = 159,818.76 × 68,088.64
  4. Step 4: Simplify right side
    115,825.60x = 10,881,842,014.89
  5. Step 5: Solve for x
    x = 10,881,842,014.89/115,825.60
  6. Step 6: Final answer
    x = 93,950.23

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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.