Home / 199,031.16-275,012.74-159,074.66

Finding the Fourth Proportional to 199,031.16, 275,012.74 and 159,074.66

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Solution

The fourth proportional to 199,031.16, 275,012.74 and 159,074.66 is: 219,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,031.16 : 275,012.74 = 159,074.66 : x
  2. Step 2: Convert to fraction form
    199,031.16/275,012.74 = 159,074.66/x
  3. Step 3: Cross multiply
    199,031.16x = 275,012.74 × 159,074.66
  4. Step 4: Simplify right side
    199,031.16x = 43,747,558,111.17
  5. Step 5: Solve for x
    x = 43,747,558,111.17/199,031.16
  6. Step 6: Final answer
    x = 219,802.56

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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.