Home / 130,423.06-179,972.58-75,966.76

Finding the Fourth Proportional to 130,423.06, 179,972.58 and 75,966.76

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Solution

The fourth proportional to 130,423.06, 179,972.58 and 75,966.76 is: 104,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,423.06 : 179,972.58 = 75,966.76 : x
  2. Step 2: Convert to fraction form
    130,423.06/179,972.58 = 75,966.76/x
  3. Step 3: Cross multiply
    130,423.06x = 179,972.58 × 75,966.76
  4. Step 4: Simplify right side
    130,423.06x = 13,671,933,791.44
  5. Step 5: Solve for x
    x = 13,671,933,791.44/130,423.06
  6. Step 6: Final answer
    x = 104,827.58

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1.5x scale

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.