Home / 201,743.60-302,615.40-96,767.60

Finding the Fourth Proportional to 201,743.60, 302,615.40 and 96,767.60

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Solution

The fourth proportional to 201,743.60, 302,615.40 and 96,767.60 is: 145,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,743.60 : 302,615.40 = 96,767.60 : x
  2. Step 2: Convert to fraction form
    201,743.60/302,615.40 = 96,767.60/x
  3. Step 3: Cross multiply
    201,743.60x = 302,615.40 × 96,767.60
  4. Step 4: Simplify right side
    201,743.60x = 29,283,365,981.04
  5. Step 5: Solve for x
    x = 29,283,365,981.04/201,743.60
  6. Step 6: Final answer
    x = 145,151.40

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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.