Home / 238,089.75-328,553.52-130,661.57

Finding the Fourth Proportional to 238,089.75, 328,553.52 and 130,661.57

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Solution

The fourth proportional to 238,089.75, 328,553.52 and 130,661.57 is: 180,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,089.75 : 328,553.52 = 130,661.57 : x
  2. Step 2: Convert to fraction form
    238,089.75/328,553.52 = 130,661.57/x
  3. Step 3: Cross multiply
    238,089.75x = 328,553.52 × 130,661.57
  4. Step 4: Simplify right side
    238,089.75x = 42,929,319,083.63
  5. Step 5: Solve for x
    x = 42,929,319,083.63/238,089.75
  6. Step 6: Final answer
    x = 180,307.30

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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.