Home / 248,159.12-342,520.43-140,792.00

Finding the Fourth Proportional to 248,159.12, 342,520.43 and 140,792.00

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Solution

The fourth proportional to 248,159.12, 342,520.43 and 140,792.00 is: 194,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,159.12 : 342,520.43 = 140,792.00 : x
  2. Step 2: Convert to fraction form
    248,159.12/342,520.43 = 140,792.00/x
  3. Step 3: Cross multiply
    248,159.12x = 342,520.43 × 140,792.00
  4. Step 4: Simplify right side
    248,159.12x = 48,224,133,964.00
  5. Step 5: Solve for x
    x = 48,224,133,964.00/248,159.12
  6. Step 6: Final answer
    x = 194,327.47

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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.