Home / 101,929.18-140,658.41-56,610.08

Finding the Fourth Proportional to 101,929.18, 140,658.41 and 56,610.08

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Solution

The fourth proportional to 101,929.18, 140,658.41 and 56,610.08 is: 78,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.18 : 140,658.41 = 56,610.08 : x
  2. Step 2: Convert to fraction form
    101,929.18/140,658.41 = 56,610.08/x
  3. Step 3: Cross multiply
    101,929.18x = 140,658.41 × 56,610.08
  4. Step 4: Simplify right side
    101,929.18x = 7,962,683,842.77
  5. Step 5: Solve for x
    x = 7,962,683,842.77/101,929.18
  6. Step 6: Final answer
    x = 78,119.77

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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.