Home / 236,678.68-354,810.66-89,038.36

Finding the Fourth Proportional to 236,678.68, 354,810.66 and 89,038.36

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Solution

The fourth proportional to 236,678.68, 354,810.66 and 89,038.36 is: 133,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,678.68 : 354,810.66 = 89,038.36 : x
  2. Step 2: Convert to fraction form
    236,678.68/354,810.66 = 89,038.36/x
  3. Step 3: Cross multiply
    236,678.68x = 354,810.66 × 89,038.36
  4. Step 4: Simplify right side
    236,678.68x = 31,591,759,276.92
  5. Step 5: Solve for x
    x = 31,591,759,276.92/236,678.68
  6. Step 6: Final answer
    x = 133,479.53

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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.