Home / 130,823.04-196,253.76-42,047.28

Finding the Fourth Proportional to 130,823.04, 196,253.76 and 42,047.28

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Solution

The fourth proportional to 130,823.04, 196,253.76 and 42,047.28 is: 63,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,823.04 : 196,253.76 = 42,047.28 : x
  2. Step 2: Convert to fraction form
    130,823.04/196,253.76 = 42,047.28/x
  3. Step 3: Cross multiply
    130,823.04x = 196,253.76 × 42,047.28
  4. Step 4: Simplify right side
    130,823.04x = 8,251,936,797.77
  5. Step 5: Solve for x
    x = 8,251,936,797.77/130,823.04
  6. Step 6: Final answer
    x = 63,077.09

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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.