Home / 80,801.16-121,175.58-29,502.60

Finding the Fourth Proportional to 80,801.16, 121,175.58 and 29,502.60

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Solution

The fourth proportional to 80,801.16, 121,175.58 and 29,502.60 is: 44,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.16 : 121,175.58 = 29,502.60 : x
  2. Step 2: Convert to fraction form
    80,801.16/121,175.58 = 29,502.60/x
  3. Step 3: Cross multiply
    80,801.16x = 121,175.58 × 29,502.60
  4. Step 4: Simplify right side
    80,801.16x = 3,574,994,666.51
  5. Step 5: Solve for x
    x = 3,574,994,666.51/80,801.16
  6. Step 6: Final answer
    x = 44,244.35

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1.5x scale

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.