Home / 123,319.60-184,979.40-102,583.60

Finding the Fourth Proportional to 123,319.60, 184,979.40 and 102,583.60

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Solution

The fourth proportional to 123,319.60, 184,979.40 and 102,583.60 is: 153,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,319.60 : 184,979.40 = 102,583.60 : x
  2. Step 2: Convert to fraction form
    123,319.60/184,979.40 = 102,583.60/x
  3. Step 3: Cross multiply
    123,319.60x = 184,979.40 × 102,583.60
  4. Step 4: Simplify right side
    123,319.60x = 18,975,852,777.84
  5. Step 5: Solve for x
    x = 18,975,852,777.84/123,319.60
  6. Step 6: Final answer
    x = 153,875.40

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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.