Home / 212,907.76-293,806.92-117,412.72

Finding the Fourth Proportional to 212,907.76, 293,806.92 and 117,412.72

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Solution

The fourth proportional to 212,907.76, 293,806.92 and 117,412.72 is: 162,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,907.76 : 293,806.92 = 117,412.72 : x
  2. Step 2: Convert to fraction form
    212,907.76/293,806.92 = 117,412.72/x
  3. Step 3: Cross multiply
    212,907.76x = 293,806.92 × 117,412.72
  4. Step 4: Simplify right side
    212,907.76x = 34,496,669,632.02
  5. Step 5: Solve for x
    x = 34,496,669,632.02/212,907.76
  6. Step 6: Final answer
    x = 162,026.36

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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.