Home / 155,717.49-214,890.12-84,097.53

Finding the Fourth Proportional to 155,717.49, 214,890.12 and 84,097.53

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Solution

The fourth proportional to 155,717.49, 214,890.12 and 84,097.53 is: 116,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,717.49 : 214,890.12 = 84,097.53 : x
  2. Step 2: Convert to fraction form
    155,717.49/214,890.12 = 84,097.53/x
  3. Step 3: Cross multiply
    155,717.49x = 214,890.12 × 84,097.53
  4. Step 4: Simplify right side
    155,717.49x = 18,071,728,313.40
  5. Step 5: Solve for x
    x = 18,071,728,313.40/155,717.49
  6. Step 6: Final answer
    x = 116,054.58

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1.5x scale

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.