Home / 130,831.60-196,045.80-97,394.80

Finding the Fourth Proportional to 130,831.60, 196,045.80 and 97,394.80

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Solution

The fourth proportional to 130,831.60, 196,045.80 and 97,394.80 is: 145,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,831.60 : 196,045.80 = 97,394.80 : x
  2. Step 2: Convert to fraction form
    130,831.60/196,045.80 = 97,394.80/x
  3. Step 3: Cross multiply
    130,831.60x = 196,045.80 × 97,394.80
  4. Step 4: Simplify right side
    130,831.60x = 19,093,841,481.84
  5. Step 5: Solve for x
    x = 19,093,841,481.84/130,831.60
  6. Step 6: Final answer
    x = 145,942.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.