Home / 155,708.49-214,877.70-84,088.52

Finding the Fourth Proportional to 155,708.49, 214,877.70 and 84,088.52

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Solution

The fourth proportional to 155,708.49, 214,877.70 and 84,088.52 is: 116,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,708.49 : 214,877.70 = 84,088.52 : x
  2. Step 2: Convert to fraction form
    155,708.49/214,877.70 = 84,088.52/x
  3. Step 3: Cross multiply
    155,708.49x = 214,877.70 × 84,088.52
  4. Step 4: Simplify right side
    155,708.49x = 18,068,746,699.62
  5. Step 5: Solve for x
    x = 18,068,746,699.62/155,708.49
  6. Step 6: Final answer
    x = 116,042.14

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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.