Home / 156,102.47-234,058.86-61,218.98

Finding the Fourth Proportional to 156,102.47, 234,058.86 and 61,218.98

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Solution

The fourth proportional to 156,102.47, 234,058.86 and 61,218.98 is: 91,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,102.47 : 234,058.86 = 61,218.98 : x
  2. Step 2: Convert to fraction form
    156,102.47/234,058.86 = 61,218.98/x
  3. Step 3: Cross multiply
    156,102.47x = 234,058.86 × 61,218.98
  4. Step 4: Simplify right side
    156,102.47x = 14,328,843,498.87
  5. Step 5: Solve for x
    x = 14,328,843,498.87/156,102.47
  6. Step 6: Final answer
    x = 91,791.27

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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.