Home / 160,178.85-221,048.19-88,561.89

Finding the Fourth Proportional to 160,178.85, 221,048.19 and 88,561.89

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Solution

The fourth proportional to 160,178.85, 221,048.19 and 88,561.89 is: 122,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,178.85 : 221,048.19 = 88,561.89 : x
  2. Step 2: Convert to fraction form
    160,178.85/221,048.19 = 88,561.89/x
  3. Step 3: Cross multiply
    160,178.85x = 221,048.19 × 88,561.89
  4. Step 4: Simplify right side
    160,178.85x = 19,576,445,487.48
  5. Step 5: Solve for x
    x = 19,576,445,487.48/160,178.85
  6. Step 6: Final answer
    x = 122,216.17

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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.