Home / 162,439.46-243,535.71-112,386.50

Finding the Fourth Proportional to 162,439.46, 243,535.71 and 112,386.50

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Solution

The fourth proportional to 162,439.46, 243,535.71 and 112,386.50 is: 168,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,439.46 : 243,535.71 = 112,386.50 : x
  2. Step 2: Convert to fraction form
    162,439.46/243,535.71 = 112,386.50/x
  3. Step 3: Cross multiply
    162,439.46x = 243,535.71 × 112,386.50
  4. Step 4: Simplify right side
    162,439.46x = 27,370,126,071.92
  5. Step 5: Solve for x
    x = 27,370,126,071.92/162,439.46
  6. Step 6: Final answer
    x = 168,494.32

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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.