Home / 148,070.94-204,339.51-81,001.50

Finding the Fourth Proportional to 148,070.94, 204,339.51 and 81,001.50

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Solution

The fourth proportional to 148,070.94, 204,339.51 and 81,001.50 is: 111,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,070.94 : 204,339.51 = 81,001.50 : x
  2. Step 2: Convert to fraction form
    148,070.94/204,339.51 = 81,001.50/x
  3. Step 3: Cross multiply
    148,070.94x = 204,339.51 × 81,001.50
  4. Step 4: Simplify right side
    148,070.94x = 16,551,806,819.27
  5. Step 5: Solve for x
    x = 16,551,806,819.27/148,070.94
  6. Step 6: Final answer
    x = 111,782.95

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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.