Home / 183,721.74-253,527.72-103,147.80

Finding the Fourth Proportional to 183,721.74, 253,527.72 and 103,147.80

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Solution

The fourth proportional to 183,721.74, 253,527.72 and 103,147.80 is: 142,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,721.74 : 253,527.72 = 103,147.80 : x
  2. Step 2: Convert to fraction form
    183,721.74/253,527.72 = 103,147.80/x
  3. Step 3: Cross multiply
    183,721.74x = 253,527.72 × 103,147.80
  4. Step 4: Simplify right side
    183,721.74x = 26,150,826,557.02
  5. Step 5: Solve for x
    x = 26,150,826,557.02/183,721.74
  6. Step 6: Final answer
    x = 142,339.31

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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.