Home / 162,345.60-243,518.40-122,979.60

Finding the Fourth Proportional to 162,345.60, 243,518.40 and 122,979.60

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Solution

The fourth proportional to 162,345.60, 243,518.40 and 122,979.60 is: 184,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.60 : 243,518.40 = 122,979.60 : x
  2. Step 2: Convert to fraction form
    162,345.60/243,518.40 = 122,979.60/x
  3. Step 3: Cross multiply
    162,345.60x = 243,518.40 × 122,979.60
  4. Step 4: Simplify right side
    162,345.60x = 29,947,795,424.64
  5. Step 5: Solve for x
    x = 29,947,795,424.64/162,345.60
  6. Step 6: Final answer
    x = 184,469.40

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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.