Home / 162,291.20-243,495.12-142,812.32

Finding the Fourth Proportional to 162,291.20, 243,495.12 and 142,812.32

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Solution

The fourth proportional to 162,291.20, 243,495.12 and 142,812.32 is: 214,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,291.20 : 243,495.12 = 142,812.32 : x
  2. Step 2: Convert to fraction form
    162,291.20/243,495.12 = 142,812.32/x
  3. Step 3: Cross multiply
    162,291.20x = 243,495.12 × 142,812.32
  4. Step 4: Simplify right side
    162,291.20x = 34,774,102,995.88
  5. Step 5: Solve for x
    x = 34,774,102,995.88/162,291.20
  6. Step 6: Final answer
    x = 214,269.80

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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.