Home / 243,838.10-336,521.86-140,475.86

Finding the Fourth Proportional to 243,838.10, 336,521.86 and 140,475.86

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Solution

The fourth proportional to 243,838.10, 336,521.86 and 140,475.86 is: 193,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,838.10 : 336,521.86 = 140,475.86 : x
  2. Step 2: Convert to fraction form
    243,838.10/336,521.86 = 140,475.86/x
  3. Step 3: Cross multiply
    243,838.10x = 336,521.86 × 140,475.86
  4. Step 4: Simplify right side
    243,838.10x = 47,273,197,692.30
  5. Step 5: Solve for x
    x = 47,273,197,692.30/243,838.10
  6. Step 6: Final answer
    x = 193,871.25

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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.