Home / 157,935.76-217,810.26-131,035.66

Finding the Fourth Proportional to 157,935.76, 217,810.26 and 131,035.66

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Solution

The fourth proportional to 157,935.76, 217,810.26 and 131,035.66 is: 180,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,935.76 : 217,810.26 = 131,035.66 : x
  2. Step 2: Convert to fraction form
    157,935.76/217,810.26 = 131,035.66/x
  3. Step 3: Cross multiply
    157,935.76x = 217,810.26 × 131,035.66
  4. Step 4: Simplify right side
    157,935.76x = 28,540,911,173.87
  5. Step 5: Solve for x
    x = 28,540,911,173.87/157,935.76
  6. Step 6: Final answer
    x = 180,712.15

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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.