Home / 109,211.91-150,717.29-61,468.35

Finding the Fourth Proportional to 109,211.91, 150,717.29 and 61,468.35

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Solution

The fourth proportional to 109,211.91, 150,717.29 and 61,468.35 is: 84,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211.91 : 150,717.29 = 61,468.35 : x
  2. Step 2: Convert to fraction form
    109,211.91/150,717.29 = 61,468.35/x
  3. Step 3: Cross multiply
    109,211.91x = 150,717.29 × 61,468.35
  4. Step 4: Simplify right side
    109,211.91x = 9,264,343,132.77
  5. Step 5: Solve for x
    x = 9,264,343,132.77/109,211.91
  6. Step 6: Final answer
    x = 84,829.06

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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.