Home / 160,687.10-221,740.08-89,066.36

Finding the Fourth Proportional to 160,687.10, 221,740.08 and 89,066.36

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Solution

The fourth proportional to 160,687.10, 221,740.08 and 89,066.36 is: 122,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,687.10 : 221,740.08 = 89,066.36 : x
  2. Step 2: Convert to fraction form
    160,687.10/221,740.08 = 89,066.36/x
  3. Step 3: Cross multiply
    160,687.10x = 221,740.08 × 89,066.36
  4. Step 4: Simplify right side
    160,687.10x = 19,749,581,791.71
  5. Step 5: Solve for x
    x = 19,749,581,791.71/160,687.10
  6. Step 6: Final answer
    x = 122,907.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.