Home / 123,612.10-185,288.55-48,703.30

Finding the Fourth Proportional to 123,612.10, 185,288.55 and 48,703.30

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Solution

The fourth proportional to 123,612.10, 185,288.55 and 48,703.30 is: 73,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,612.10 : 185,288.55 = 48,703.30 : x
  2. Step 2: Convert to fraction form
    123,612.10/185,288.55 = 48,703.30/x
  3. Step 3: Cross multiply
    123,612.10x = 185,288.55 × 48,703.30
  4. Step 4: Simplify right side
    123,612.10x = 9,024,163,837.22
  5. Step 5: Solve for x
    x = 9,024,163,837.22/123,612.10
  6. Step 6: Final answer
    x = 73,003.89

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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.