Home / 212,758.02-293,727.36-140,371.05

Finding the Fourth Proportional to 212,758.02, 293,727.36 and 140,371.05

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Solution

The fourth proportional to 212,758.02, 293,727.36 and 140,371.05 is: 193,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,758.02 : 293,727.36 = 140,371.05 : x
  2. Step 2: Convert to fraction form
    212,758.02/293,727.36 = 140,371.05/x
  3. Step 3: Cross multiply
    212,758.02x = 293,727.36 × 140,371.05
  4. Step 4: Simplify right side
    212,758.02x = 41,230,817,936.93
  5. Step 5: Solve for x
    x = 41,230,817,936.93/212,758.02
  6. Step 6: Final answer
    x = 193,792.07

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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.