Home / 109,684.98-151,365.36-61,941.42

Finding the Fourth Proportional to 109,684.98, 151,365.36 and 61,941.42

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Solution

The fourth proportional to 109,684.98, 151,365.36 and 61,941.42 is: 85,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.98 : 151,365.36 = 61,941.42 : x
  2. Step 2: Convert to fraction form
    109,684.98/151,365.36 = 61,941.42/x
  3. Step 3: Cross multiply
    109,684.98x = 151,365.36 × 61,941.42
  4. Step 4: Simplify right side
    109,684.98x = 9,375,785,337.21
  5. Step 5: Solve for x
    x = 9,375,785,337.21/109,684.98
  6. Step 6: Final answer
    x = 85,479.21

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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.