Home / 148,800.91-205,347.71-80,817.93

Finding the Fourth Proportional to 148,800.91, 205,347.71 and 80,817.93

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Solution

The fourth proportional to 148,800.91, 205,347.71 and 80,817.93 is: 111,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,800.91 : 205,347.71 = 80,817.93 : x
  2. Step 2: Convert to fraction form
    148,800.91/205,347.71 = 80,817.93/x
  3. Step 3: Cross multiply
    148,800.91x = 205,347.71 × 80,817.93
  4. Step 4: Simplify right side
    148,800.91x = 16,595,777,521.47
  5. Step 5: Solve for x
    x = 16,595,777,521.47/148,800.91
  6. Step 6: Final answer
    x = 111,530.08

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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.