Home / 211,730.10-292,112.15-125,623.36

Finding the Fourth Proportional to 211,730.10, 292,112.15 and 125,623.36

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Solution

The fourth proportional to 211,730.10, 292,112.15 and 125,623.36 is: 173,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,730.10 : 292,112.15 = 125,623.36 : x
  2. Step 2: Convert to fraction form
    211,730.10/292,112.15 = 125,623.36/x
  3. Step 3: Cross multiply
    211,730.10x = 292,112.15 × 125,623.36
  4. Step 4: Simplify right side
    211,730.10x = 36,696,109,779.82
  5. Step 5: Solve for x
    x = 36,696,109,779.82/211,730.10
  6. Step 6: Final answer
    x = 173,315.51

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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.