Home / 144,296.18-216,490.98-69,406.58

Finding the Fourth Proportional to 144,296.18, 216,490.98 and 69,406.58

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Solution

The fourth proportional to 144,296.18, 216,490.98 and 69,406.58 is: 104,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,296.18 : 216,490.98 = 69,406.58 : x
  2. Step 2: Convert to fraction form
    144,296.18/216,490.98 = 69,406.58/x
  3. Step 3: Cross multiply
    144,296.18x = 216,490.98 × 69,406.58
  4. Step 4: Simplify right side
    144,296.18x = 15,025,898,522.65
  5. Step 5: Solve for x
    x = 15,025,898,522.65/144,296.18
  6. Step 6: Final answer
    x = 104,132.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.