Home / 90,157.39-124,375.31-58,336.57

Finding the Fourth Proportional to 90,157.39, 124,375.31 and 58,336.57

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Solution

The fourth proportional to 90,157.39, 124,375.31 and 58,336.57 is: 80,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,157.39 : 124,375.31 = 58,336.57 : x
  2. Step 2: Convert to fraction form
    90,157.39/124,375.31 = 58,336.57/x
  3. Step 3: Cross multiply
    90,157.39x = 124,375.31 × 58,336.57
  4. Step 4: Simplify right side
    90,157.39x = 7,255,628,686.40
  5. Step 5: Solve for x
    x = 7,255,628,686.40/90,157.39
  6. Step 6: Final answer
    x = 80,477.36

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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.