Home / 117,569.99-162,272.15-72,286.74

Finding the Fourth Proportional to 117,569.99, 162,272.15 and 72,286.74

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Solution

The fourth proportional to 117,569.99, 162,272.15 and 72,286.74 is: 99,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.99 : 162,272.15 = 72,286.74 : x
  2. Step 2: Convert to fraction form
    117,569.99/162,272.15 = 72,286.74/x
  3. Step 3: Cross multiply
    117,569.99x = 162,272.15 × 72,286.74
  4. Step 4: Simplify right side
    117,569.99x = 11,730,124,354.86
  5. Step 5: Solve for x
    x = 11,730,124,354.86/117,569.99
  6. Step 6: Final answer
    x = 99,771.42

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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.