Home / 94,329.84-130,178.64-51,891.60

Finding the Fourth Proportional to 94,329.84, 130,178.64 and 51,891.60

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Solution

The fourth proportional to 94,329.84, 130,178.64 and 51,891.60 is: 71,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,329.84 : 130,178.64 = 51,891.60 : x
  2. Step 2: Convert to fraction form
    94,329.84/130,178.64 = 51,891.60/x
  3. Step 3: Cross multiply
    94,329.84x = 130,178.64 × 51,891.60
  4. Step 4: Simplify right side
    94,329.84x = 6,755,177,915.42
  5. Step 5: Solve for x
    x = 6,755,177,915.42/94,329.84
  6. Step 6: Final answer
    x = 71,612.31

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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.