Home / 162,724.29-243,096.81-105,330.63

Finding the Fourth Proportional to 162,724.29, 243,096.81 and 105,330.63

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Solution

The fourth proportional to 162,724.29, 243,096.81 and 105,330.63 is: 157,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,724.29 : 243,096.81 = 105,330.63 : x
  2. Step 2: Convert to fraction form
    162,724.29/243,096.81 = 105,330.63/x
  3. Step 3: Cross multiply
    162,724.29x = 243,096.81 × 105,330.63
  4. Step 4: Simplify right side
    162,724.29x = 25,605,540,148.29
  5. Step 5: Solve for x
    x = 25,605,540,148.29/162,724.29
  6. Step 6: Final answer
    x = 157,355.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.