Home / 92,739.20-139,011.66-42,852.02

Finding the Fourth Proportional to 92,739.20, 139,011.66 and 42,852.02

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Solution

The fourth proportional to 92,739.20, 139,011.66 and 42,852.02 is: 64,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,739.20 : 139,011.66 = 42,852.02 : x
  2. Step 2: Convert to fraction form
    92,739.20/139,011.66 = 42,852.02/x
  3. Step 3: Cross multiply
    92,739.20x = 139,011.66 × 42,852.02
  4. Step 4: Simplify right side
    92,739.20x = 5,956,930,434.55
  5. Step 5: Solve for x
    x = 5,956,930,434.55/92,739.20
  6. Step 6: Final answer
    x = 64,233.14

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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.