Home / 144,156.06-216,264.47-54,199.35

Finding the Fourth Proportional to 144,156.06, 216,264.47 and 54,199.35

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Solution

The fourth proportional to 144,156.06, 216,264.47 and 54,199.35 is: 81,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,156.06 : 216,264.47 = 54,199.35 : x
  2. Step 2: Convert to fraction form
    144,156.06/216,264.47 = 54,199.35/x
  3. Step 3: Cross multiply
    144,156.06x = 216,264.47 × 54,199.35
  4. Step 4: Simplify right side
    144,156.06x = 11,721,393,431.10
  5. Step 5: Solve for x
    x = 11,721,393,431.10/144,156.06
  6. Step 6: Final answer
    x = 81,310.45

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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.