Home / 119,254.74-164,535.62-71,490.66

Finding the Fourth Proportional to 119,254.74, 164,535.62 and 71,490.66

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Solution

The fourth proportional to 119,254.74, 164,535.62 and 71,490.66 is: 98,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.74 : 164,535.62 = 71,490.66 : x
  2. Step 2: Convert to fraction form
    119,254.74/164,535.62 = 71,490.66/x
  3. Step 3: Cross multiply
    119,254.74x = 164,535.62 × 71,490.66
  4. Step 4: Simplify right side
    119,254.74x = 11,762,759,709.86
  5. Step 5: Solve for x
    x = 11,762,759,709.86/119,254.74
  6. Step 6: Final answer
    x = 98,635.57

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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.