Home / 170,290.62-235,001.12-98,712.20

Finding the Fourth Proportional to 170,290.62, 235,001.12 and 98,712.20

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Solution

The fourth proportional to 170,290.62, 235,001.12 and 98,712.20 is: 136,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,290.62 : 235,001.12 = 98,712.20 : x
  2. Step 2: Convert to fraction form
    170,290.62/235,001.12 = 98,712.20/x
  3. Step 3: Cross multiply
    170,290.62x = 235,001.12 × 98,712.20
  4. Step 4: Simplify right side
    170,290.62x = 23,197,477,651.61
  5. Step 5: Solve for x
    x = 23,197,477,651.61/170,290.62
  6. Step 6: Final answer
    x = 136,222.87

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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.