Home / 212,780.22-293,632.59-115,984.91

Finding the Fourth Proportional to 212,780.22, 293,632.59 and 115,984.91

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Solution

The fourth proportional to 212,780.22, 293,632.59 and 115,984.91 is: 160,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.22 : 293,632.59 = 115,984.91 : x
  2. Step 2: Convert to fraction form
    212,780.22/293,632.59 = 115,984.91/x
  3. Step 3: Cross multiply
    212,780.22x = 293,632.59 × 115,984.91
  4. Step 4: Simplify right side
    212,780.22x = 34,056,950,693.24
  5. Step 5: Solve for x
    x = 34,056,950,693.24/212,780.22
  6. Step 6: Final answer
    x = 160,056.94

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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.