Home / 90,147.47-124,429.37-59,542.93

Finding the Fourth Proportional to 90,147.47, 124,429.37 and 59,542.93

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Solution

The fourth proportional to 90,147.47, 124,429.37 and 59,542.93 is: 82,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,147.47 : 124,429.37 = 59,542.93 : x
  2. Step 2: Convert to fraction form
    90,147.47/124,429.37 = 59,542.93/x
  3. Step 3: Cross multiply
    90,147.47x = 124,429.37 × 59,542.93
  4. Step 4: Simplify right side
    90,147.47x = 7,408,889,125.68
  5. Step 5: Solve for x
    x = 7,408,889,125.68/90,147.47
  6. Step 6: Final answer
    x = 82,186.33

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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.