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Finding the Fourth Proportional to 123,064.20, 184,596.30 and 70,430.40

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Solution

The fourth proportional to 123,064.20, 184,596.30 and 70,430.40 is: 105,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,064.20 : 184,596.30 = 70,430.40 : x
  2. Step 2: Convert to fraction form
    123,064.20/184,596.30 = 70,430.40/x
  3. Step 3: Cross multiply
    123,064.20x = 184,596.30 × 70,430.40
  4. Step 4: Simplify right side
    123,064.20x = 13,001,191,247.52
  5. Step 5: Solve for x
    x = 13,001,191,247.52/123,064.20
  6. Step 6: Final answer
    x = 105,645.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.