Home / 109,156.95-150,625.88-61,409.27

Finding the Fourth Proportional to 109,156.95, 150,625.88 and 61,409.27

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Solution

The fourth proportional to 109,156.95, 150,625.88 and 61,409.27 is: 84,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156.95 : 150,625.88 = 61,409.27 : x
  2. Step 2: Convert to fraction form
    109,156.95/150,625.88 = 61,409.27/x
  3. Step 3: Cross multiply
    109,156.95x = 150,625.88 × 61,409.27
  4. Step 4: Simplify right side
    109,156.95x = 9,249,825,633.71
  5. Step 5: Solve for x
    x = 9,249,825,633.71/109,156.95
  6. Step 6: Final answer
    x = 84,738.77

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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.