Home / 237,979.12-328,413.72-130,549.36

Finding the Fourth Proportional to 237,979.12, 328,413.72 and 130,549.36

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Solution

The fourth proportional to 237,979.12, 328,413.72 and 130,549.36 is: 180,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,979.12 : 328,413.72 = 130,549.36 : x
  2. Step 2: Convert to fraction form
    237,979.12/328,413.72 = 130,549.36/x
  3. Step 3: Cross multiply
    237,979.12x = 328,413.72 × 130,549.36
  4. Step 4: Simplify right side
    237,979.12x = 42,874,200,961.22
  5. Step 5: Solve for x
    x = 42,874,200,961.22/237,979.12
  6. Step 6: Final answer
    x = 180,159.51

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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.