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Finding the Fourth Proportional to 159,492.07, 220,099.04 and 87,873.63

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Solution

The fourth proportional to 159,492.07, 220,099.04 and 87,873.63 is: 121,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,492.07 : 220,099.04 = 87,873.63 : x
  2. Step 2: Convert to fraction form
    159,492.07/220,099.04 = 87,873.63/x
  3. Step 3: Cross multiply
    159,492.07x = 220,099.04 × 87,873.63
  4. Step 4: Simplify right side
    159,492.07x = 19,340,900,669.10
  5. Step 5: Solve for x
    x = 19,340,900,669.10/159,492.07
  6. Step 6: Final answer
    x = 121,265.59

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1.5x scale

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.