Home / 94,309.82-130,148.40-51,289.70

Finding the Fourth Proportional to 94,309.82, 130,148.40 and 51,289.70

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Solution

The fourth proportional to 94,309.82, 130,148.40 and 51,289.70 is: 70,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,309.82 : 130,148.40 = 51,289.70 : x
  2. Step 2: Convert to fraction form
    94,309.82/130,148.40 = 51,289.70/x
  3. Step 3: Cross multiply
    94,309.82x = 130,148.40 × 51,289.70
  4. Step 4: Simplify right side
    94,309.82x = 6,675,272,391.48
  5. Step 5: Solve for x
    x = 6,675,272,391.48/94,309.82
  6. Step 6: Final answer
    x = 70,780.25

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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.