Home / 212,907.09-293,808.27-117,422.67

Finding the Fourth Proportional to 212,907.09, 293,808.27 and 117,422.67

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Solution

The fourth proportional to 212,907.09, 293,808.27 and 117,422.67 is: 162,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,907.09 : 293,808.27 = 117,422.67 : x
  2. Step 2: Convert to fraction form
    212,907.09/293,808.27 = 117,422.67/x
  3. Step 3: Cross multiply
    212,907.09x = 293,808.27 × 117,422.67
  4. Step 4: Simplify right side
    212,907.09x = 34,499,751,531.48
  5. Step 5: Solve for x
    x = 34,499,751,531.48/212,907.09
  6. Step 6: Final answer
    x = 162,041.35

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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.