Home / 162,488.32-243,292.80-106,188.16

Finding the Fourth Proportional to 162,488.32, 243,292.80 and 106,188.16

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Solution

The fourth proportional to 162,488.32, 243,292.80 and 106,188.16 is: 158,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,488.32 : 243,292.80 = 106,188.16 : x
  2. Step 2: Convert to fraction form
    162,488.32/243,292.80 = 106,188.16/x
  3. Step 3: Cross multiply
    162,488.32x = 243,292.80 × 106,188.16
  4. Step 4: Simplify right side
    162,488.32x = 25,834,814,773.25
  5. Step 5: Solve for x
    x = 25,834,814,773.25/162,488.32
  6. Step 6: Final answer
    x = 158,994.90

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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.