Home / 115,119.84-158,871.60-64,823.52

Finding the Fourth Proportional to 115,119.84, 158,871.60 and 64,823.52

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Solution

The fourth proportional to 115,119.84, 158,871.60 and 64,823.52 is: 89,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.84 : 158,871.60 = 64,823.52 : x
  2. Step 2: Convert to fraction form
    115,119.84/158,871.60 = 64,823.52/x
  3. Step 3: Cross multiply
    115,119.84x = 158,871.60 × 64,823.52
  4. Step 4: Simplify right side
    115,119.84x = 10,298,616,340.03
  5. Step 5: Solve for x
    x = 10,298,616,340.03/115,119.84
  6. Step 6: Final answer
    x = 89,459.96

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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.