Home / 160,420.07-221,377.01-88,798.55

Finding the Fourth Proportional to 160,420.07, 221,377.01 and 88,798.55

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Solution

The fourth proportional to 160,420.07, 221,377.01 and 88,798.55 is: 122,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,420.07 : 221,377.01 = 88,798.55 : x
  2. Step 2: Convert to fraction form
    160,420.07/221,377.01 = 88,798.55/x
  3. Step 3: Cross multiply
    160,420.07x = 221,377.01 × 88,798.55
  4. Step 4: Simplify right side
    160,420.07x = 19,657,957,047.34
  5. Step 5: Solve for x
    x = 19,657,957,047.34/160,420.07
  6. Step 6: Final answer
    x = 122,540.51

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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.