Home / 160,401.96-221,349.06-88,782.12

Finding the Fourth Proportional to 160,401.96, 221,349.06 and 88,782.12

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Solution

The fourth proportional to 160,401.96, 221,349.06 and 88,782.12 is: 122,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,401.96 : 221,349.06 = 88,782.12 : x
  2. Step 2: Convert to fraction form
    160,401.96/221,349.06 = 88,782.12/x
  3. Step 3: Cross multiply
    160,401.96x = 221,349.06 × 88,782.12
  4. Step 4: Simplify right side
    160,401.96x = 19,651,838,806.81
  5. Step 5: Solve for x
    x = 19,651,838,806.81/160,401.96
  6. Step 6: Final answer
    x = 122,516.20

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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.