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Finding the Fourth Proportional to 184,448.16, 254,368.08 and 136,820.16

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Solution

The fourth proportional to 184,448.16, 254,368.08 and 136,820.16 is: 188,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,448.16 : 254,368.08 = 136,820.16 : x
  2. Step 2: Convert to fraction form
    184,448.16/254,368.08 = 136,820.16/x
  3. Step 3: Cross multiply
    184,448.16x = 254,368.08 × 136,820.16
  4. Step 4: Simplify right side
    184,448.16x = 34,802,681,404.49
  5. Step 5: Solve for x
    x = 34,802,681,404.49/184,448.16
  6. Step 6: Final answer
    x = 188,685.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.