Home / 132,942.06-183,462.23-72,512.70

Finding the Fourth Proportional to 132,942.06, 183,462.23 and 72,512.70

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Solution

The fourth proportional to 132,942.06, 183,462.23 and 72,512.70 is: 100,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.06 : 183,462.23 = 72,512.70 : x
  2. Step 2: Convert to fraction form
    132,942.06/183,462.23 = 72,512.70/x
  3. Step 3: Cross multiply
    132,942.06x = 183,462.23 × 72,512.70
  4. Step 4: Simplify right side
    132,942.06x = 13,303,341,282.76
  5. Step 5: Solve for x
    x = 13,303,341,282.76/132,942.06
  6. Step 6: Final answer
    x = 100,068.72

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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.