Home / 207,839.04-286,820.64-122,953.92

Finding the Fourth Proportional to 207,839.04, 286,820.64 and 122,953.92

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Solution

The fourth proportional to 207,839.04, 286,820.64 and 122,953.92 is: 169,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,839.04 : 286,820.64 = 122,953.92 : x
  2. Step 2: Convert to fraction form
    207,839.04/286,820.64 = 122,953.92/x
  3. Step 3: Cross multiply
    207,839.04x = 286,820.64 × 122,953.92
  4. Step 4: Simplify right side
    207,839.04x = 35,265,722,024.91
  5. Step 5: Solve for x
    x = 35,265,722,024.91/207,839.04
  6. Step 6: Final answer
    x = 169,678.05

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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.