Home / 80,150.21-110,615.60-46,159.91

Finding the Fourth Proportional to 80,150.21, 110,615.60 and 46,159.91

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Solution

The fourth proportional to 80,150.21, 110,615.60 and 46,159.91 is: 63,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.21 : 110,615.60 = 46,159.91 : x
  2. Step 2: Convert to fraction form
    80,150.21/110,615.60 = 46,159.91/x
  3. Step 3: Cross multiply
    80,150.21x = 110,615.60 × 46,159.91
  4. Step 4: Simplify right side
    80,150.21x = 5,106,005,909.80
  5. Step 5: Solve for x
    x = 5,106,005,909.80/80,150.21
  6. Step 6: Final answer
    x = 63,705.46

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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.