Home / 162,214.32-243,328.18-55,671.50

Finding the Fourth Proportional to 162,214.32, 243,328.18 and 55,671.50

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Solution

The fourth proportional to 162,214.32, 243,328.18 and 55,671.50 is: 83,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,214.32 : 243,328.18 = 55,671.50 : x
  2. Step 2: Convert to fraction form
    162,214.32/243,328.18 = 55,671.50/x
  3. Step 3: Cross multiply
    162,214.32x = 243,328.18 × 55,671.50
  4. Step 4: Simplify right side
    162,214.32x = 13,546,444,772.87
  5. Step 5: Solve for x
    x = 13,546,444,772.87/162,214.32
  6. Step 6: Final answer
    x = 83,509.55

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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.