Home / 122,529.80-183,708.21-47,587.52

Finding the Fourth Proportional to 122,529.80, 183,708.21 and 47,587.52

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Solution

The fourth proportional to 122,529.80, 183,708.21 and 47,587.52 is: 71,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.80 : 183,708.21 = 47,587.52 : x
  2. Step 2: Convert to fraction form
    122,529.80/183,708.21 = 47,587.52/x
  3. Step 3: Cross multiply
    122,529.80x = 183,708.21 × 47,587.52
  4. Step 4: Simplify right side
    122,529.80x = 8,742,218,117.54
  5. Step 5: Solve for x
    x = 8,742,218,117.54/122,529.80
  6. Step 6: Final answer
    x = 71,347.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.