Home / 237,872.09-328,267.99-130,435.72

Finding the Fourth Proportional to 237,872.09, 328,267.99 and 130,435.72

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Solution

The fourth proportional to 237,872.09, 328,267.99 and 130,435.72 is: 180,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,872.09 : 328,267.99 = 130,435.72 : x
  2. Step 2: Convert to fraction form
    237,872.09/328,267.99 = 130,435.72/x
  3. Step 3: Cross multiply
    237,872.09x = 328,267.99 × 130,435.72
  4. Step 4: Simplify right side
    237,872.09x = 42,817,870,970.98
  5. Step 5: Solve for x
    x = 42,817,870,970.98/237,872.09
  6. Step 6: Final answer
    x = 180,003.76

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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.