Home / 251,723.90-347,300.30-142,810.08

Finding the Fourth Proportional to 251,723.90, 347,300.30 and 142,810.08

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Solution

The fourth proportional to 251,723.90, 347,300.30 and 142,810.08 is: 197,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,723.90 : 347,300.30 = 142,810.08 : x
  2. Step 2: Convert to fraction form
    251,723.90/347,300.30 = 142,810.08/x
  3. Step 3: Cross multiply
    251,723.90x = 347,300.30 × 142,810.08
  4. Step 4: Simplify right side
    251,723.90x = 49,597,983,627.02
  5. Step 5: Solve for x
    x = 49,597,983,627.02/251,723.90
  6. Step 6: Final answer
    x = 197,033.27

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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.