Home / 133,029.18-183,648-102,746.52

Finding the Fourth Proportional to 133,029.18, 183,648 and 102,746.52

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Solution

The fourth proportional to 133,029.18, 183,648 and 102,746.52 is: 141,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.18 : 183,648 = 102,746.52 : x
  2. Step 2: Convert to fraction form
    133,029.18/183,648 = 102,746.52/x
  3. Step 3: Cross multiply
    133,029.18x = 183,648 × 102,746.52
  4. Step 4: Simplify right side
    133,029.18x = 18,869,192,904.96
  5. Step 5: Solve for x
    x = 18,869,192,904.96/133,029.18
  6. Step 6: Final answer
    x = 141,842.51

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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.