Home / 160,242.85-221,131.36-88,621.33

Finding the Fourth Proportional to 160,242.85, 221,131.36 and 88,621.33

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Solution

The fourth proportional to 160,242.85, 221,131.36 and 88,621.33 is: 122,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,242.85 : 221,131.36 = 88,621.33 : x
  2. Step 2: Convert to fraction form
    160,242.85/221,131.36 = 88,621.33/x
  3. Step 3: Cross multiply
    160,242.85x = 221,131.36 × 88,621.33
  4. Step 4: Simplify right side
    160,242.85x = 19,596,955,227.91
  5. Step 5: Solve for x
    x = 19,596,955,227.91/160,242.85
  6. Step 6: Final answer
    x = 122,295.35

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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.