Home / 76,746.11-115,134.73-24,143.36

Finding the Fourth Proportional to 76,746.11, 115,134.73 and 24,143.36

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Solution

The fourth proportional to 76,746.11, 115,134.73 and 24,143.36 is: 36,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746.11 : 115,134.73 = 24,143.36 : x
  2. Step 2: Convert to fraction form
    76,746.11/115,134.73 = 24,143.36/x
  3. Step 3: Cross multiply
    76,746.11x = 115,134.73 × 24,143.36
  4. Step 4: Simplify right side
    76,746.11x = 2,779,738,598.86
  5. Step 5: Solve for x
    x = 2,779,738,598.86/76,746.11
  6. Step 6: Final answer
    x = 36,219.93

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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.