Home / 94,901.92-130,966.20-56,664.81

Finding the Fourth Proportional to 94,901.92, 130,966.20 and 56,664.81

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Solution

The fourth proportional to 94,901.92, 130,966.20 and 56,664.81 is: 78,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,901.92 : 130,966.20 = 56,664.81 : x
  2. Step 2: Convert to fraction form
    94,901.92/130,966.20 = 56,664.81/x
  3. Step 3: Cross multiply
    94,901.92x = 130,966.20 × 56,664.81
  4. Step 4: Simplify right side
    94,901.92x = 7,421,174,348.30
  5. Step 5: Solve for x
    x = 7,421,174,348.30/94,901.92
  6. Step 6: Final answer
    x = 78,198.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.