Home / 212,213.32-292,856.70-116,720.80

Finding the Fourth Proportional to 212,213.32, 292,856.70 and 116,720.80

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Solution

The fourth proportional to 212,213.32, 292,856.70 and 116,720.80 is: 161,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,213.32 : 292,856.70 = 116,720.80 : x
  2. Step 2: Convert to fraction form
    212,213.32/292,856.70 = 116,720.80/x
  3. Step 3: Cross multiply
    212,213.32x = 292,856.70 × 116,720.80
  4. Step 4: Simplify right side
    212,213.32x = 34,182,468,309.36
  5. Step 5: Solve for x
    x = 34,182,468,309.36/212,213.32
  6. Step 6: Final answer
    x = 161,075.98

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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.