Home / 243,742.28-336,363.20-136,312.74

Finding the Fourth Proportional to 243,742.28, 336,363.20 and 136,312.74

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Solution

The fourth proportional to 243,742.28, 336,363.20 and 136,312.74 is: 188,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,742.28 : 336,363.20 = 136,312.74 : x
  2. Step 2: Convert to fraction form
    243,742.28/336,363.20 = 136,312.74/x
  3. Step 3: Cross multiply
    243,742.28x = 336,363.20 × 136,312.74
  4. Step 4: Simplify right side
    243,742.28x = 45,850,590,586.18
  5. Step 5: Solve for x
    x = 45,850,590,586.18/243,742.28
  6. Step 6: Final answer
    x = 188,110.94

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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.