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Finding the Fourth Proportional to 162,813.79, 243,800.09 and 112,368.48

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Solution

The fourth proportional to 162,813.79, 243,800.09 and 112,368.48 is: 168,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,813.79 : 243,800.09 = 112,368.48 : x
  2. Step 2: Convert to fraction form
    162,813.79/243,800.09 = 112,368.48/x
  3. Step 3: Cross multiply
    162,813.79x = 243,800.09 × 112,368.48
  4. Step 4: Simplify right side
    162,813.79x = 27,395,444,482.45
  5. Step 5: Solve for x
    x = 27,395,444,482.45/162,813.79
  6. Step 6: Final answer
    x = 168,262.43

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1.5x scale

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.