Home / 154,043.02-212,580.01-84,193.73

Finding the Fourth Proportional to 154,043.02, 212,580.01 and 84,193.73

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Solution

The fourth proportional to 154,043.02, 212,580.01 and 84,193.73 is: 116,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,043.02 : 212,580.01 = 84,193.73 : x
  2. Step 2: Convert to fraction form
    154,043.02/212,580.01 = 84,193.73/x
  3. Step 3: Cross multiply
    154,043.02x = 212,580.01 × 84,193.73
  4. Step 4: Simplify right side
    154,043.02x = 17,897,903,965.34
  5. Step 5: Solve for x
    x = 17,897,903,965.34/154,043.02
  6. Step 6: Final answer
    x = 116,187.70

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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.