Home / 162,358.09-243,411.37-112,293.42

Finding the Fourth Proportional to 162,358.09, 243,411.37 and 112,293.42

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Solution

The fourth proportional to 162,358.09, 243,411.37 and 112,293.42 is: 168,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,358.09 : 243,411.37 = 112,293.42 : x
  2. Step 2: Convert to fraction form
    162,358.09/243,411.37 = 112,293.42/x
  3. Step 3: Cross multiply
    162,358.09x = 243,411.37 × 112,293.42
  4. Step 4: Simplify right side
    162,358.09x = 27,333,495,204.19
  5. Step 5: Solve for x
    x = 27,333,495,204.19/162,358.09
  6. Step 6: Final answer
    x = 168,353.15

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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.