Home / 113,881.90-170,843.58-56,985.53

Finding the Fourth Proportional to 113,881.90, 170,843.58 and 56,985.53

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Solution

The fourth proportional to 113,881.90, 170,843.58 and 56,985.53 is: 85,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,881.90 : 170,843.58 = 56,985.53 : x
  2. Step 2: Convert to fraction form
    113,881.90/170,843.58 = 56,985.53/x
  3. Step 3: Cross multiply
    113,881.90x = 170,843.58 × 56,985.53
  4. Step 4: Simplify right side
    113,881.90x = 9,735,611,099.18
  5. Step 5: Solve for x
    x = 9,735,611,099.18/113,881.90
  6. Step 6: Final answer
    x = 85,488.66

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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.