Home / 213,531.12-294,661.38-118,031.66

Finding the Fourth Proportional to 213,531.12, 294,661.38 and 118,031.66

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Solution

The fourth proportional to 213,531.12, 294,661.38 and 118,031.66 is: 162,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,531.12 : 294,661.38 = 118,031.66 : x
  2. Step 2: Convert to fraction form
    213,531.12/294,661.38 = 118,031.66/x
  3. Step 3: Cross multiply
    213,531.12x = 294,661.38 × 118,031.66
  4. Step 4: Simplify right side
    213,531.12x = 34,779,371,819.29
  5. Step 5: Solve for x
    x = 34,779,371,819.29/213,531.12
  6. Step 6: Final answer
    x = 162,877.30

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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.