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Finding the Fourth Proportional to 157,104.16, 216,801.91 and 85,482.94

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Solution

The fourth proportional to 157,104.16, 216,801.91 and 85,482.94 is: 117,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,104.16 : 216,801.91 = 85,482.94 : x
  2. Step 2: Convert to fraction form
    157,104.16/216,801.91 = 85,482.94/x
  3. Step 3: Cross multiply
    157,104.16x = 216,801.91 × 85,482.94
  4. Step 4: Simplify right side
    157,104.16x = 18,532,864,664.42
  5. Step 5: Solve for x
    x = 18,532,864,664.42/157,104.16
  6. Step 6: Final answer
    x = 117,965.46

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