Home / 123,345.60-184,720.08-70,595.28

Finding the Fourth Proportional to 123,345.60, 184,720.08 and 70,595.28

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Solution

The fourth proportional to 123,345.60, 184,720.08 and 70,595.28 is: 105,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,345.60 : 184,720.08 = 70,595.28 : x
  2. Step 2: Convert to fraction form
    123,345.60/184,720.08 = 70,595.28/x
  3. Step 3: Cross multiply
    123,345.60x = 184,720.08 × 70,595.28
  4. Step 4: Simplify right side
    123,345.60x = 13,040,365,769.22
  5. Step 5: Solve for x
    x = 13,040,365,769.22/123,345.60
  6. Step 6: Final answer
    x = 105,722.18

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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.