Home / 115,186.74-158,957.01-64,901.94

Finding the Fourth Proportional to 115,186.74, 158,957.01 and 64,901.94

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Solution

The fourth proportional to 115,186.74, 158,957.01 and 64,901.94 is: 89,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.74 : 158,957.01 = 64,901.94 : x
  2. Step 2: Convert to fraction form
    115,186.74/158,957.01 = 64,901.94/x
  3. Step 3: Cross multiply
    115,186.74x = 158,957.01 × 64,901.94
  4. Step 4: Simplify right side
    115,186.74x = 10,316,618,325.60
  5. Step 5: Solve for x
    x = 10,316,618,325.60/115,186.74
  6. Step 6: Final answer
    x = 89,564.29

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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.