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Finding the Fourth Proportional to 160,110.66, 240,157.32 and 81,222.84

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Solution

The fourth proportional to 160,110.66, 240,157.32 and 81,222.84 is: 121,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,110.66 : 240,157.32 = 81,222.84 : x
  2. Step 2: Convert to fraction form
    160,110.66/240,157.32 = 81,222.84/x
  3. Step 3: Cross multiply
    160,110.66x = 240,157.32 × 81,222.84
  4. Step 4: Simplify right side
    160,110.66x = 19,506,259,577.19
  5. Step 5: Solve for x
    x = 19,506,259,577.19/160,110.66
  6. Step 6: Final answer
    x = 121,829.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.