Home / 162,822.21-243,812.70-112,376.94

Finding the Fourth Proportional to 162,822.21, 243,812.70 and 112,376.94

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Solution

The fourth proportional to 162,822.21, 243,812.70 and 112,376.94 is: 168,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,822.21 : 243,812.70 = 112,376.94 : x
  2. Step 2: Convert to fraction form
    162,822.21/243,812.70 = 112,376.94/x
  3. Step 3: Cross multiply
    162,822.21x = 243,812.70 × 112,376.94
  4. Step 4: Simplify right side
    162,822.21x = 27,398,925,159.14
  5. Step 5: Solve for x
    x = 27,398,925,159.14/162,822.21
  6. Step 6: Final answer
    x = 168,275.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.