Home / 97,839.20-146,564.40-53,386.40

Finding the Fourth Proportional to 97,839.20, 146,564.40 and 53,386.40

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Solution

The fourth proportional to 97,839.20, 146,564.40 and 53,386.40 is: 79,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,839.20 : 146,564.40 = 53,386.40 : x
  2. Step 2: Convert to fraction form
    97,839.20/146,564.40 = 53,386.40/x
  3. Step 3: Cross multiply
    97,839.20x = 146,564.40 × 53,386.40
  4. Step 4: Simplify right side
    97,839.20x = 7,824,545,684.16
  5. Step 5: Solve for x
    x = 7,824,545,684.16/97,839.20
  6. Step 6: Final answer
    x = 79,973.52

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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.