Home / 212,939.47-293,763.67-140,248.45

Finding the Fourth Proportional to 212,939.47, 293,763.67 and 140,248.45

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Solution

The fourth proportional to 212,939.47, 293,763.67 and 140,248.45 is: 193,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,939.47 : 293,763.67 = 140,248.45 : x
  2. Step 2: Convert to fraction form
    212,939.47/293,763.67 = 140,248.45/x
  3. Step 3: Cross multiply
    212,939.47x = 293,763.67 × 140,248.45
  4. Step 4: Simplify right side
    212,939.47x = 41,199,899,383.81
  5. Step 5: Solve for x
    x = 41,199,899,383.81/212,939.47
  6. Step 6: Final answer
    x = 193,481.74

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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.