Home / 160,631.29-221,672.48-89,012.51

Finding the Fourth Proportional to 160,631.29, 221,672.48 and 89,012.51

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Solution

The fourth proportional to 160,631.29, 221,672.48 and 89,012.51 is: 122,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,631.29 : 221,672.48 = 89,012.51 : x
  2. Step 2: Convert to fraction form
    160,631.29/221,672.48 = 89,012.51/x
  3. Step 3: Cross multiply
    160,631.29x = 221,672.48 × 89,012.51
  4. Step 4: Simplify right side
    160,631.29x = 19,731,623,842.72
  5. Step 5: Solve for x
    x = 19,731,623,842.72/160,631.29
  6. Step 6: Final answer
    x = 122,837.98

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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.