Home / 236,441.40-354,374.10-103,039.80

Finding the Fourth Proportional to 236,441.40, 354,374.10 and 103,039.80

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Solution

The fourth proportional to 236,441.40, 354,374.10 and 103,039.80 is: 154,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,441.40 : 354,374.10 = 103,039.80 : x
  2. Step 2: Convert to fraction form
    236,441.40/354,374.10 = 103,039.80/x
  3. Step 3: Cross multiply
    236,441.40x = 354,374.10 × 103,039.80
  4. Step 4: Simplify right side
    236,441.40x = 36,514,636,389.18
  5. Step 5: Solve for x
    x = 36,514,636,389.18/236,441.40
  6. Step 6: Final answer
    x = 154,434.19

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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.