Home / 147,387.93-221,128.61-52,616.07

Finding the Fourth Proportional to 147,387.93, 221,128.61 and 52,616.07

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Solution

The fourth proportional to 147,387.93, 221,128.61 and 52,616.07 is: 78,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,387.93 : 221,128.61 = 52,616.07 : x
  2. Step 2: Convert to fraction form
    147,387.93/221,128.61 = 52,616.07/x
  3. Step 3: Cross multiply
    147,387.93x = 221,128.61 × 52,616.07
  4. Step 4: Simplify right side
    147,387.93x = 11,634,918,159.68
  5. Step 5: Solve for x
    x = 11,634,918,159.68/147,387.93
  6. Step 6: Final answer
    x = 78,940.78

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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.