Home / 109,200.19-150,695.79-61,454.35

Finding the Fourth Proportional to 109,200.19, 150,695.79 and 61,454.35

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Solution

The fourth proportional to 109,200.19, 150,695.79 and 61,454.35 is: 84,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,200.19 : 150,695.79 = 61,454.35 : x
  2. Step 2: Convert to fraction form
    109,200.19/150,695.79 = 61,454.35/x
  3. Step 3: Cross multiply
    109,200.19x = 150,695.79 × 61,454.35
  4. Step 4: Simplify right side
    109,200.19x = 9,260,911,822.19
  5. Step 5: Solve for x
    x = 9,260,911,822.19/109,200.19
  6. Step 6: Final answer
    x = 84,806.74

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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.