Home / 144,890.60-216,875.10-103,418.60

Finding the Fourth Proportional to 144,890.60, 216,875.10 and 103,418.60

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Solution

The fourth proportional to 144,890.60, 216,875.10 and 103,418.60 is: 154,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.60 : 216,875.10 = 103,418.60 : x
  2. Step 2: Convert to fraction form
    144,890.60/216,875.10 = 103,418.60/x
  3. Step 3: Cross multiply
    144,890.60x = 216,875.10 × 103,418.60
  4. Step 4: Simplify right side
    144,890.60x = 22,428,919,216.86
  5. Step 5: Solve for x
    x = 22,428,919,216.86/144,890.60
  6. Step 6: Final answer
    x = 154,798.99

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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.