Home / 246,312.10-339,910.14-138,881.51

Finding the Fourth Proportional to 246,312.10, 339,910.14 and 138,881.51

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Solution

The fourth proportional to 246,312.10, 339,910.14 and 138,881.51 is: 191,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,312.10 : 339,910.14 = 138,881.51 : x
  2. Step 2: Convert to fraction form
    246,312.10/339,910.14 = 138,881.51/x
  3. Step 3: Cross multiply
    246,312.10x = 339,910.14 × 138,881.51
  4. Step 4: Simplify right side
    246,312.10x = 47,207,233,507.51
  5. Step 5: Solve for x
    x = 47,207,233,507.51/246,312.10
  6. Step 6: Final answer
    x = 191,656.17

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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.