Home / 243,491.20-336,051.24-140,123.26

Finding the Fourth Proportional to 243,491.20, 336,051.24 and 140,123.26

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Solution

The fourth proportional to 243,491.20, 336,051.24 and 140,123.26 is: 193,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,491.20 : 336,051.24 = 140,123.26 : x
  2. Step 2: Convert to fraction form
    243,491.20/336,051.24 = 140,123.26/x
  3. Step 3: Cross multiply
    243,491.20x = 336,051.24 × 140,123.26
  4. Step 4: Simplify right side
    243,491.20x = 47,088,595,275.84
  5. Step 5: Solve for x
    x = 47,088,595,275.84/243,491.20
  6. Step 6: Final answer
    x = 193,389.31

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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.