Home / 164,400.79-226,848.76-99,836.45

Finding the Fourth Proportional to 164,400.79, 226,848.76 and 99,836.45

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Solution

The fourth proportional to 164,400.79, 226,848.76 and 99,836.45 is: 137,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,400.79 : 226,848.76 = 99,836.45 : x
  2. Step 2: Convert to fraction form
    164,400.79/226,848.76 = 99,836.45/x
  3. Step 3: Cross multiply
    164,400.79x = 226,848.76 × 99,836.45
  4. Step 4: Simplify right side
    164,400.79x = 22,647,774,885.30
  5. Step 5: Solve for x
    x = 22,647,774,885.30/164,400.79
  6. Step 6: Final answer
    x = 137,759.53

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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.