Home / 96,944.40-145,301.40-40,784.40

Finding the Fourth Proportional to 96,944.40, 145,301.40 and 40,784.40

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Solution

The fourth proportional to 96,944.40, 145,301.40 and 40,784.40 is: 61,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,944.40 : 145,301.40 = 40,784.40 : x
  2. Step 2: Convert to fraction form
    96,944.40/145,301.40 = 40,784.40/x
  3. Step 3: Cross multiply
    96,944.40x = 145,301.40 × 40,784.40
  4. Step 4: Simplify right side
    96,944.40x = 5,926,030,418.16
  5. Step 5: Solve for x
    x = 5,926,030,418.16/96,944.40
  6. Step 6: Final answer
    x = 61,128.14

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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.