Home / 109,103.13-150,560.85-61,356.45

Finding the Fourth Proportional to 109,103.13, 150,560.85 and 61,356.45

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Solution

The fourth proportional to 109,103.13, 150,560.85 and 61,356.45 is: 84,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,103.13 : 150,560.85 = 61,356.45 : x
  2. Step 2: Convert to fraction form
    109,103.13/150,560.85 = 61,356.45/x
  3. Step 3: Cross multiply
    109,103.13x = 150,560.85 × 61,356.45
  4. Step 4: Simplify right side
    109,103.13x = 9,237,879,264.98
  5. Step 5: Solve for x
    x = 9,237,879,264.98/109,103.13
  6. Step 6: Final answer
    x = 84,671.07

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1.5x scale

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.