Home / 251,723.04-347,384.28-137,009.20

Finding the Fourth Proportional to 251,723.04, 347,384.28 and 137,009.20

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Solution

The fourth proportional to 251,723.04, 347,384.28 and 137,009.20 is: 189,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,723.04 : 347,384.28 = 137,009.20 : x
  2. Step 2: Convert to fraction form
    251,723.04/347,384.28 = 137,009.20/x
  3. Step 3: Cross multiply
    251,723.04x = 347,384.28 × 137,009.20
  4. Step 4: Simplify right side
    251,723.04x = 47,594,842,295.38
  5. Step 5: Solve for x
    x = 47,594,842,295.38/251,723.04
  6. Step 6: Final answer
    x = 189,076.23

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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.