Home / 144,000.51-216,152.94-80,874.57

Finding the Fourth Proportional to 144,000.51, 216,152.94 and 80,874.57

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Solution

The fourth proportional to 144,000.51, 216,152.94 and 80,874.57 is: 121,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,000.51 : 216,152.94 = 80,874.57 : x
  2. Step 2: Convert to fraction form
    144,000.51/216,152.94 = 80,874.57/x
  3. Step 3: Cross multiply
    144,000.51x = 216,152.94 × 80,874.57
  4. Step 4: Simplify right side
    144,000.51x = 17,481,276,076.74
  5. Step 5: Solve for x
    x = 17,481,276,076.74/144,000.51
  6. Step 6: Final answer
    x = 121,397.32

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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.