Home / 212,424.86-293,120.46-126,386.36

Finding the Fourth Proportional to 212,424.86, 293,120.46 and 126,386.36

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Solution

The fourth proportional to 212,424.86, 293,120.46 and 126,386.36 is: 174,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,424.86 : 293,120.46 = 126,386.36 : x
  2. Step 2: Convert to fraction form
    212,424.86/293,120.46 = 126,386.36/x
  3. Step 3: Cross multiply
    212,424.86x = 293,120.46 × 126,386.36
  4. Step 4: Simplify right side
    212,424.86x = 37,046,427,980.93
  5. Step 5: Solve for x
    x = 37,046,427,980.93/212,424.86
  6. Step 6: Final answer
    x = 174,397.80

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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.