Home / 130,950.27-180,704.52-74,358

Finding the Fourth Proportional to 130,950.27, 180,704.52 and 74,358

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Solution

The fourth proportional to 130,950.27, 180,704.52 and 74,358 is: 102,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.27 : 180,704.52 = 74,358 : x
  2. Step 2: Convert to fraction form
    130,950.27/180,704.52 = 74,358/x
  3. Step 3: Cross multiply
    130,950.27x = 180,704.52 × 74,358
  4. Step 4: Simplify right side
    130,950.27x = 13,436,826,698.16
  5. Step 5: Solve for x
    x = 13,436,826,698.16/130,950.27
  6. Step 6: Final answer
    x = 102,610.15

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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.