Home / 157,936.57-237,970.43-130,471.90

Finding the Fourth Proportional to 157,936.57, 237,970.43 and 130,471.90

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Solution

The fourth proportional to 157,936.57, 237,970.43 and 130,471.90 is: 196,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936.57 : 237,970.43 = 130,471.90 : x
  2. Step 2: Convert to fraction form
    157,936.57/237,970.43 = 130,471.90/x
  3. Step 3: Cross multiply
    157,936.57x = 237,970.43 × 130,471.90
  4. Step 4: Simplify right side
    157,936.57x = 31,048,454,145.92
  5. Step 5: Solve for x
    x = 31,048,454,145.92/157,936.57
  6. Step 6: Final answer
    x = 196,588.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.