Home / 119,349.75-163,693.58-105,897.66

Finding the Fourth Proportional to 119,349.75, 163,693.58 and 105,897.66

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Solution

The fourth proportional to 119,349.75, 163,693.58 and 105,897.66 is: 145,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,349.75 : 163,693.58 = 105,897.66 : x
  2. Step 2: Convert to fraction form
    119,349.75/163,693.58 = 105,897.66/x
  3. Step 3: Cross multiply
    119,349.75x = 163,693.58 × 105,897.66
  4. Step 4: Simplify right side
    119,349.75x = 17,334,766,549.53
  5. Step 5: Solve for x
    x = 17,334,766,549.53/119,349.75
  6. Step 6: Final answer
    x = 145,243.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.