Home / 132,702.30-183,195.27-87,409.53

Finding the Fourth Proportional to 132,702.30, 183,195.27 and 87,409.53

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Solution

The fourth proportional to 132,702.30, 183,195.27 and 87,409.53 is: 120,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,702.30 : 183,195.27 = 87,409.53 : x
  2. Step 2: Convert to fraction form
    132,702.30/183,195.27 = 87,409.53/x
  3. Step 3: Cross multiply
    132,702.30x = 183,195.27 × 87,409.53
  4. Step 4: Simplify right side
    132,702.30x = 16,013,012,448.92
  5. Step 5: Solve for x
    x = 16,013,012,448.92/132,702.30
  6. Step 6: Final answer
    x = 120,668.69

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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.