Home / 238,068.10-328,533.52-129,172.41

Finding the Fourth Proportional to 238,068.10, 328,533.52 and 129,172.41

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Solution

The fourth proportional to 238,068.10, 328,533.52 and 129,172.41 is: 178,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,068.10 : 328,533.52 = 129,172.41 : x
  2. Step 2: Convert to fraction form
    238,068.10/328,533.52 = 129,172.41/x
  3. Step 3: Cross multiply
    238,068.10x = 328,533.52 × 129,172.41
  4. Step 4: Simplify right side
    238,068.10x = 42,437,466,544.18
  5. Step 5: Solve for x
    x = 42,437,466,544.18/238,068.10
  6. Step 6: Final answer
    x = 178,257.68

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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.