Home / 212,374.02-293,042.57-121,712.52

Finding the Fourth Proportional to 212,374.02, 293,042.57 and 121,712.52

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Solution

The fourth proportional to 212,374.02, 293,042.57 and 121,712.52 is: 167,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,374.02 : 293,042.57 = 121,712.52 : x
  2. Step 2: Convert to fraction form
    212,374.02/293,042.57 = 121,712.52/x
  3. Step 3: Cross multiply
    212,374.02x = 293,042.57 × 121,712.52
  4. Step 4: Simplify right side
    212,374.02x = 35,666,949,053.41
  5. Step 5: Solve for x
    x = 35,666,949,053.41/212,374.02
  6. Step 6: Final answer
    x = 167,944.03

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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.