Home / 130,357.30-179,800.13-119,636.72

Finding the Fourth Proportional to 130,357.30, 179,800.13 and 119,636.72

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Solution

The fourth proportional to 130,357.30, 179,800.13 and 119,636.72 is: 165,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,357.30 : 179,800.13 = 119,636.72 : x
  2. Step 2: Convert to fraction form
    130,357.30/179,800.13 = 119,636.72/x
  3. Step 3: Cross multiply
    130,357.30x = 179,800.13 × 119,636.72
  4. Step 4: Simplify right side
    130,357.30x = 21,510,696,311.59
  5. Step 5: Solve for x
    x = 21,510,696,311.59/130,357.30
  6. Step 6: Final answer
    x = 165,013.36

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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.