Home / 248,068.80-342,331.04-134,890.56

Finding the Fourth Proportional to 248,068.80, 342,331.04 and 134,890.56

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Solution

The fourth proportional to 248,068.80, 342,331.04 and 134,890.56 is: 186,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068.80 : 342,331.04 = 134,890.56 : x
  2. Step 2: Convert to fraction form
    248,068.80/342,331.04 = 134,890.56/x
  3. Step 3: Cross multiply
    248,068.80x = 342,331.04 × 134,890.56
  4. Step 4: Simplify right side
    248,068.80x = 46,177,225,690.98
  5. Step 5: Solve for x
    x = 46,177,225,690.98/248,068.80
  6. Step 6: Final answer
    x = 186,146.85

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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.