Home / 123,145.39-184,640.28-52,031.08

Finding the Fourth Proportional to 123,145.39, 184,640.28 and 52,031.08

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Solution

The fourth proportional to 123,145.39, 184,640.28 and 52,031.08 is: 78,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,145.39 : 184,640.28 = 52,031.08 : x
  2. Step 2: Convert to fraction form
    123,145.39/184,640.28 = 52,031.08/x
  3. Step 3: Cross multiply
    123,145.39x = 184,640.28 × 52,031.08
  4. Step 4: Simplify right side
    123,145.39x = 9,607,033,179.90
  5. Step 5: Solve for x
    x = 9,607,033,179.90/123,145.39
  6. Step 6: Final answer
    x = 78,013.75

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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.