Home / 94,437.87-130,309.07-54,143.61

Finding the Fourth Proportional to 94,437.87, 130,309.07 and 54,143.61

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Solution

The fourth proportional to 94,437.87, 130,309.07 and 54,143.61 is: 74,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,437.87 : 130,309.07 = 54,143.61 : x
  2. Step 2: Convert to fraction form
    94,437.87/130,309.07 = 54,143.61/x
  3. Step 3: Cross multiply
    94,437.87x = 130,309.07 × 54,143.61
  4. Step 4: Simplify right side
    94,437.87x = 7,055,403,194.82
  5. Step 5: Solve for x
    x = 7,055,403,194.82/94,437.87
  6. Step 6: Final answer
    x = 74,709.47

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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.