Home / 124,772.84-172,204.08-79,436.34

Finding the Fourth Proportional to 124,772.84, 172,204.08 and 79,436.34

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Solution

The fourth proportional to 124,772.84, 172,204.08 and 79,436.34 is: 109,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,772.84 : 172,204.08 = 79,436.34 : x
  2. Step 2: Convert to fraction form
    124,772.84/172,204.08 = 79,436.34/x
  3. Step 3: Cross multiply
    124,772.84x = 172,204.08 × 79,436.34
  4. Step 4: Simplify right side
    124,772.84x = 13,679,261,848.27
  5. Step 5: Solve for x
    x = 13,679,261,848.27/124,772.84
  6. Step 6: Final answer
    x = 109,633.33

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1.5x scale

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.