Home / 97,960.48-135,186.98-57,123.50

Finding the Fourth Proportional to 97,960.48, 135,186.98 and 57,123.50

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Solution

The fourth proportional to 97,960.48, 135,186.98 and 57,123.50 is: 78,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,960.48 : 135,186.98 = 57,123.50 : x
  2. Step 2: Convert to fraction form
    97,960.48/135,186.98 = 57,123.50/x
  3. Step 3: Cross multiply
    97,960.48x = 135,186.98 × 57,123.50
  4. Step 4: Simplify right side
    97,960.48x = 7,722,353,452.03
  5. Step 5: Solve for x
    x = 7,722,353,452.03/97,960.48
  6. Step 6: Final answer
    x = 78,831.31

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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.