Home / 119,664.77-165,129.95-65,946.78

Finding the Fourth Proportional to 119,664.77, 165,129.95 and 65,946.78

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Solution

The fourth proportional to 119,664.77, 165,129.95 and 65,946.78 is: 91,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.77 : 165,129.95 = 65,946.78 : x
  2. Step 2: Convert to fraction form
    119,664.77/165,129.95 = 65,946.78/x
  3. Step 3: Cross multiply
    119,664.77x = 165,129.95 × 65,946.78
  4. Step 4: Simplify right side
    119,664.77x = 10,889,788,484.06
  5. Step 5: Solve for x
    x = 10,889,788,484.06/119,664.77
  6. Step 6: Final answer
    x = 91,002.46

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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.