Home / 212,983.55-293,907.40-122,275.67

Finding the Fourth Proportional to 212,983.55, 293,907.40 and 122,275.67

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Solution

The fourth proportional to 212,983.55, 293,907.40 and 122,275.67 is: 168,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,983.55 : 293,907.40 = 122,275.67 : x
  2. Step 2: Convert to fraction form
    212,983.55/293,907.40 = 122,275.67/x
  3. Step 3: Cross multiply
    212,983.55x = 293,907.40 × 122,275.67
  4. Step 4: Simplify right side
    212,983.55x = 35,937,722,783.42
  5. Step 5: Solve for x
    x = 35,937,722,783.42/212,983.55
  6. Step 6: Final answer
    x = 168,734.74

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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.