Home / 113,236.63-156,269.55-61,557.20

Finding the Fourth Proportional to 113,236.63, 156,269.55 and 61,557.20

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Solution

The fourth proportional to 113,236.63, 156,269.55 and 61,557.20 is: 84,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,236.63 : 156,269.55 = 61,557.20 : x
  2. Step 2: Convert to fraction form
    113,236.63/156,269.55 = 61,557.20/x
  3. Step 3: Cross multiply
    113,236.63x = 156,269.55 × 61,557.20
  4. Step 4: Simplify right side
    113,236.63x = 9,619,515,978.76
  5. Step 5: Solve for x
    x = 9,619,515,978.76/113,236.63
  6. Step 6: Final answer
    x = 84,950.57

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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.