Home / 253,351.02-349,623.90-140,173.50

Finding the Fourth Proportional to 253,351.02, 349,623.90 and 140,173.50

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Solution

The fourth proportional to 253,351.02, 349,623.90 and 140,173.50 is: 193,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,351.02 : 349,623.90 = 140,173.50 : x
  2. Step 2: Convert to fraction form
    253,351.02/349,623.90 = 140,173.50/x
  3. Step 3: Cross multiply
    253,351.02x = 349,623.90 × 140,173.50
  4. Step 4: Simplify right side
    253,351.02x = 49,008,005,746.65
  5. Step 5: Solve for x
    x = 49,008,005,746.65/253,351.02
  6. Step 6: Final answer
    x = 193,439.15

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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.