Home / 207,400.23-286,233.75-126,881.27

Finding the Fourth Proportional to 207,400.23, 286,233.75 and 126,881.27

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Solution

The fourth proportional to 207,400.23, 286,233.75 and 126,881.27 is: 175,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,400.23 : 286,233.75 = 126,881.27 : x
  2. Step 2: Convert to fraction form
    207,400.23/286,233.75 = 126,881.27/x
  3. Step 3: Cross multiply
    207,400.23x = 286,233.75 × 126,881.27
  4. Step 4: Simplify right side
    207,400.23x = 36,317,701,359.07
  5. Step 5: Solve for x
    x = 36,317,701,359.07/207,400.23
  6. Step 6: Final answer
    x = 175,109.26

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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.