Home / 237,980.24-328,410.81-129,084.29

Finding the Fourth Proportional to 237,980.24, 328,410.81 and 129,084.29

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Solution

The fourth proportional to 237,980.24, 328,410.81 and 129,084.29 is: 178,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,980.24 : 328,410.81 = 129,084.29 : x
  2. Step 2: Convert to fraction form
    237,980.24/328,410.81 = 129,084.29/x
  3. Step 3: Cross multiply
    237,980.24x = 328,410.81 × 129,084.29
  4. Step 4: Simplify right side
    237,980.24x = 42,392,676,237.17
  5. Step 5: Solve for x
    x = 42,392,676,237.17/237,980.24
  6. Step 6: Final answer
    x = 178,135.28

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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.