Home / 212,834.04-293,698.89-122,170.74

Finding the Fourth Proportional to 212,834.04, 293,698.89 and 122,170.74

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Solution

The fourth proportional to 212,834.04, 293,698.89 and 122,170.74 is: 168,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,834.04 : 293,698.89 = 122,170.74 : x
  2. Step 2: Convert to fraction form
    212,834.04/293,698.89 = 122,170.74/x
  3. Step 3: Cross multiply
    212,834.04x = 293,698.89 × 122,170.74
  4. Step 4: Simplify right side
    212,834.04x = 35,881,410,728.48
  5. Step 5: Solve for x
    x = 35,881,410,728.48/212,834.04
  6. Step 6: Final answer
    x = 168,588.68

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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.