Home / 160,172.12-221,042.14-88,556.76

Finding the Fourth Proportional to 160,172.12, 221,042.14 and 88,556.76

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Solution

The fourth proportional to 160,172.12, 221,042.14 and 88,556.76 is: 122,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,172.12 : 221,042.14 = 88,556.76 : x
  2. Step 2: Convert to fraction form
    160,172.12/221,042.14 = 88,556.76/x
  3. Step 3: Cross multiply
    160,172.12x = 221,042.14 × 88,556.76
  4. Step 4: Simplify right side
    160,172.12x = 19,574,774,837.02
  5. Step 5: Solve for x
    x = 19,574,774,837.02/160,172.12
  6. Step 6: Final answer
    x = 122,210.87

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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.