Home / 212,237.31-292,929.08-121,653.93

Finding the Fourth Proportional to 212,237.31, 292,929.08 and 121,653.93

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Solution

The fourth proportional to 212,237.31, 292,929.08 and 121,653.93 is: 167,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.31 : 292,929.08 = 121,653.93 : x
  2. Step 2: Convert to fraction form
    212,237.31/292,929.08 = 121,653.93/x
  3. Step 3: Cross multiply
    212,237.31x = 292,929.08 × 121,653.93
  4. Step 4: Simplify right side
    212,237.31x = 35,635,974,283.50
  5. Step 5: Solve for x
    x = 35,635,974,283.50/212,237.31
  6. Step 6: Final answer
    x = 167,906.26

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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.