Home / 104,569.18-144,349.66-70,623.69

Finding the Fourth Proportional to 104,569.18, 144,349.66 and 70,623.69

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Solution

The fourth proportional to 104,569.18, 144,349.66 and 70,623.69 is: 97,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569.18 : 144,349.66 = 70,623.69 : x
  2. Step 2: Convert to fraction form
    104,569.18/144,349.66 = 70,623.69/x
  3. Step 3: Cross multiply
    104,569.18x = 144,349.66 × 70,623.69
  4. Step 4: Simplify right side
    104,569.18x = 10,194,505,592.40
  5. Step 5: Solve for x
    x = 10,194,505,592.40/104,569.18
  6. Step 6: Final answer
    x = 97,490.54

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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.