Home / 238,122.48-328,585.08-142,626.72

Finding the Fourth Proportional to 238,122.48, 328,585.08 and 142,626.72

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Solution

The fourth proportional to 238,122.48, 328,585.08 and 142,626.72 is: 196,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,122.48 : 328,585.08 = 142,626.72 : x
  2. Step 2: Convert to fraction form
    238,122.48/328,585.08 = 142,626.72/x
  3. Step 3: Cross multiply
    238,122.48x = 328,585.08 × 142,626.72
  4. Step 4: Simplify right side
    238,122.48x = 46,865,012,201.34
  5. Step 5: Solve for x
    x = 46,865,012,201.34/238,122.48
  6. Step 6: Final answer
    x = 196,810.53

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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.