Home / 238,070.12-328,535.83-130,641.94

Finding the Fourth Proportional to 238,070.12, 328,535.83 and 130,641.94

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Solution

The fourth proportional to 238,070.12, 328,535.83 and 130,641.94 is: 180,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,070.12 : 328,535.83 = 130,641.94 : x
  2. Step 2: Convert to fraction form
    238,070.12/328,535.83 = 130,641.94/x
  3. Step 3: Cross multiply
    238,070.12x = 328,535.83 × 130,641.94
  4. Step 4: Simplify right side
    238,070.12x = 42,920,558,764.68
  5. Step 5: Solve for x
    x = 42,920,558,764.68/238,070.12
  6. Step 6: Final answer
    x = 180,285.37

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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.