Home / 157,031.82-216,594.14-103,299.66

Finding the Fourth Proportional to 157,031.82, 216,594.14 and 103,299.66

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Solution

The fourth proportional to 157,031.82, 216,594.14 and 103,299.66 is: 142,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,031.82 : 216,594.14 = 103,299.66 : x
  2. Step 2: Convert to fraction form
    157,031.82/216,594.14 = 103,299.66/x
  3. Step 3: Cross multiply
    157,031.82x = 216,594.14 × 103,299.66
  4. Step 4: Simplify right side
    157,031.82x = 22,374,100,503.49
  5. Step 5: Solve for x
    x = 22,374,100,503.49/157,031.82
  6. Step 6: Final answer
    x = 142,481.32

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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.