Home / 156,102.03-234,126.86-56,243.61

Finding the Fourth Proportional to 156,102.03, 234,126.86 and 56,243.61

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Solution

The fourth proportional to 156,102.03, 234,126.86 and 56,243.61 is: 84,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,102.03 : 234,126.86 = 56,243.61 : x
  2. Step 2: Convert to fraction form
    156,102.03/234,126.86 = 56,243.61/x
  3. Step 3: Cross multiply
    156,102.03x = 234,126.86 × 56,243.61
  4. Step 4: Simplify right side
    156,102.03x = 13,168,139,523.15
  5. Step 5: Solve for x
    x = 13,168,139,523.15/156,102.03
  6. Step 6: Final answer
    x = 84,355.98

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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.