Home / 160,400.76-221,365.98-88,803.66

Finding the Fourth Proportional to 160,400.76, 221,365.98 and 88,803.66

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Solution

The fourth proportional to 160,400.76, 221,365.98 and 88,803.66 is: 122,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.76 : 221,365.98 = 88,803.66 : x
  2. Step 2: Convert to fraction form
    160,400.76/221,365.98 = 88,803.66/x
  3. Step 3: Cross multiply
    160,400.76x = 221,365.98 × 88,803.66
  4. Step 4: Simplify right side
    160,400.76x = 19,658,109,223.49
  5. Step 5: Solve for x
    x = 19,658,109,223.49/160,400.76
  6. Step 6: Final answer
    x = 122,556.21

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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.