Home / 97,265.76-145,898.68-75,111.52

Finding the Fourth Proportional to 97,265.76, 145,898.68 and 75,111.52

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Solution

The fourth proportional to 97,265.76, 145,898.68 and 75,111.52 is: 112,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,265.76 : 145,898.68 = 75,111.52 : x
  2. Step 2: Convert to fraction form
    97,265.76/145,898.68 = 75,111.52/x
  3. Step 3: Cross multiply
    97,265.76x = 145,898.68 × 75,111.52
  4. Step 4: Simplify right side
    97,265.76x = 10,958,671,620.79
  5. Step 5: Solve for x
    x = 10,958,671,620.79/97,265.76
  6. Step 6: Final answer
    x = 112,667.31

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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.