Home / 160,736.40-221,822.55-89,124.30

Finding the Fourth Proportional to 160,736.40, 221,822.55 and 89,124.30

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Solution

The fourth proportional to 160,736.40, 221,822.55 and 89,124.30 is: 122,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,736.40 : 221,822.55 = 89,124.30 : x
  2. Step 2: Convert to fraction form
    160,736.40/221,822.55 = 89,124.30/x
  3. Step 3: Cross multiply
    160,736.40x = 221,822.55 × 89,124.30
  4. Step 4: Simplify right side
    160,736.40x = 19,769,779,492.97
  5. Step 5: Solve for x
    x = 19,769,779,492.97/160,736.40
  6. Step 6: Final answer
    x = 122,995.04

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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.