Home / 94,426.50-130,308.75-51,405.78

Finding the Fourth Proportional to 94,426.50, 130,308.75 and 51,405.78

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Solution

The fourth proportional to 94,426.50, 130,308.75 and 51,405.78 is: 70,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,426.50 : 130,308.75 = 51,405.78 : x
  2. Step 2: Convert to fraction form
    94,426.50/130,308.75 = 51,405.78/x
  3. Step 3: Cross multiply
    94,426.50x = 130,308.75 × 51,405.78
  4. Step 4: Simplify right side
    94,426.50x = 6,698,622,934.58
  5. Step 5: Solve for x
    x = 6,698,622,934.58/94,426.50
  6. Step 6: Final answer
    x = 70,940.07

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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.