Home / 115,504.74-159,394.82-64,518.39

Finding the Fourth Proportional to 115,504.74, 159,394.82 and 64,518.39

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Solution

The fourth proportional to 115,504.74, 159,394.82 and 64,518.39 is: 89,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504.74 : 159,394.82 = 64,518.39 : x
  2. Step 2: Convert to fraction form
    115,504.74/159,394.82 = 64,518.39/x
  3. Step 3: Cross multiply
    115,504.74x = 159,394.82 × 64,518.39
  4. Step 4: Simplify right side
    115,504.74x = 10,283,896,838.15
  5. Step 5: Solve for x
    x = 10,283,896,838.15/115,504.74
  6. Step 6: Final answer
    x = 89,034.41

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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.