Home / 155,717.74-214,890.46-84,097.77

Finding the Fourth Proportional to 155,717.74, 214,890.46 and 84,097.77

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Solution

The fourth proportional to 155,717.74, 214,890.46 and 84,097.77 is: 116,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,717.74 : 214,890.46 = 84,097.77 : x
  2. Step 2: Convert to fraction form
    155,717.74/214,890.46 = 84,097.77/x
  3. Step 3: Cross multiply
    155,717.74x = 214,890.46 × 84,097.77
  4. Step 4: Simplify right side
    155,717.74x = 18,071,808,480.27
  5. Step 5: Solve for x
    x = 18,071,808,480.27/155,717.74
  6. Step 6: Final answer
    x = 116,054.91

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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.