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Finding the Fourth Proportional to 161,141.40, 241,720.30 and 59,917.02

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Solution

The fourth proportional to 161,141.40, 241,720.30 and 59,917.02 is: 89,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.40 : 241,720.30 = 59,917.02 : x
  2. Step 2: Convert to fraction form
    161,141.40/241,720.30 = 59,917.02/x
  3. Step 3: Cross multiply
    161,141.40x = 241,720.30 × 59,917.02
  4. Step 4: Simplify right side
    161,141.40x = 14,483,159,217.95
  5. Step 5: Solve for x
    x = 14,483,159,217.95/161,141.40
  6. Step 6: Final answer
    x = 89,878.57

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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.