Home / 122,718.30-184,077.45-39,612.30

Finding the Fourth Proportional to 122,718.30, 184,077.45 and 39,612.30

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Solution

The fourth proportional to 122,718.30, 184,077.45 and 39,612.30 is: 59,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.30 : 184,077.45 = 39,612.30 : x
  2. Step 2: Convert to fraction form
    122,718.30/184,077.45 = 39,612.30/x
  3. Step 3: Cross multiply
    122,718.30x = 184,077.45 × 39,612.30
  4. Step 4: Simplify right side
    122,718.30x = 7,291,731,172.64
  5. Step 5: Solve for x
    x = 7,291,731,172.64/122,718.30
  6. Step 6: Final answer
    x = 59,418.45

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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.