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Finding the Fourth Proportional to 144,561.84, 216,676.44 and 55,776.12

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Solution

The fourth proportional to 144,561.84, 216,676.44 and 55,776.12 is: 83,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,561.84 : 216,676.44 = 55,776.12 : x
  2. Step 2: Convert to fraction form
    144,561.84/216,676.44 = 55,776.12/x
  3. Step 3: Cross multiply
    144,561.84x = 216,676.44 × 55,776.12
  4. Step 4: Simplify right side
    144,561.84x = 12,085,371,118.61
  5. Step 5: Solve for x
    x = 12,085,371,118.61/144,561.84
  6. Step 6: Final answer
    x = 83,600.01

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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.