Home / 231,447.04-319,461.17-134,669.59

Finding the Fourth Proportional to 231,447.04, 319,461.17 and 134,669.59

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Solution

The fourth proportional to 231,447.04, 319,461.17 and 134,669.59 is: 185,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,447.04 : 319,461.17 = 134,669.59 : x
  2. Step 2: Convert to fraction form
    231,447.04/319,461.17 = 134,669.59/x
  3. Step 3: Cross multiply
    231,447.04x = 319,461.17 × 134,669.59
  4. Step 4: Simplify right side
    231,447.04x = 43,021,703,312.82
  5. Step 5: Solve for x
    x = 43,021,703,312.82/231,447.04
  6. Step 6: Final answer
    x = 185,881.42

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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.