Home / 212,726.21-293,562.23-115,930.10

Finding the Fourth Proportional to 212,726.21, 293,562.23 and 115,930.10

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Solution

The fourth proportional to 212,726.21, 293,562.23 and 115,930.10 is: 159,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,726.21 : 293,562.23 = 115,930.10 : x
  2. Step 2: Convert to fraction form
    212,726.21/293,562.23 = 115,930.10/x
  3. Step 3: Cross multiply
    212,726.21x = 293,562.23 × 115,930.10
  4. Step 4: Simplify right side
    212,726.21x = 34,032,698,834.38
  5. Step 5: Solve for x
    x = 34,032,698,834.38/212,726.21
  6. Step 6: Final answer
    x = 159,983.58

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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.