Home / 144,680.76-216,846.18-74,521.80

Finding the Fourth Proportional to 144,680.76, 216,846.18 and 74,521.80

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Solution

The fourth proportional to 144,680.76, 216,846.18 and 74,521.80 is: 111,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,680.76 : 216,846.18 = 74,521.80 : x
  2. Step 2: Convert to fraction form
    144,680.76/216,846.18 = 74,521.80/x
  3. Step 3: Cross multiply
    144,680.76x = 216,846.18 × 74,521.80
  4. Step 4: Simplify right side
    144,680.76x = 16,159,767,656.72
  5. Step 5: Solve for x
    x = 16,159,767,656.72/144,680.76
  6. Step 6: Final answer
    x = 111,692.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.