Home / 147,563.69-221,566.95-84,455.06

Finding the Fourth Proportional to 147,563.69, 221,566.95 and 84,455.06

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Solution

The fourth proportional to 147,563.69, 221,566.95 and 84,455.06 is: 126,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,563.69 : 221,566.95 = 84,455.06 : x
  2. Step 2: Convert to fraction form
    147,563.69/221,566.95 = 84,455.06/x
  3. Step 3: Cross multiply
    147,563.69x = 221,566.95 × 84,455.06
  4. Step 4: Simplify right side
    147,563.69x = 18,712,448,948.43
  5. Step 5: Solve for x
    x = 18,712,448,948.43/147,563.69
  6. Step 6: Final answer
    x = 126,809.31

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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.