Home / 133,023.31-183,557.08-76,452.91

Finding the Fourth Proportional to 133,023.31, 183,557.08 and 76,452.91

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Solution

The fourth proportional to 133,023.31, 183,557.08 and 76,452.91 is: 105,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.31 : 183,557.08 = 76,452.91 : x
  2. Step 2: Convert to fraction form
    133,023.31/183,557.08 = 76,452.91/x
  3. Step 3: Cross multiply
    133,023.31x = 183,557.08 × 76,452.91
  4. Step 4: Simplify right side
    133,023.31x = 14,033,472,917.10
  5. Step 5: Solve for x
    x = 14,033,472,917.10/133,023.31
  6. Step 6: Final answer
    x = 105,496.34

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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.