Home / 212,855.40-293,586.08-144,751.32

Finding the Fourth Proportional to 212,855.40, 293,586.08 and 144,751.32

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Solution

The fourth proportional to 212,855.40, 293,586.08 and 144,751.32 is: 199,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,855.40 : 293,586.08 = 144,751.32 : x
  2. Step 2: Convert to fraction form
    212,855.40/293,586.08 = 144,751.32/x
  3. Step 3: Cross multiply
    212,855.40x = 293,586.08 × 144,751.32
  4. Step 4: Simplify right side
    212,855.40x = 42,496,971,889.87
  5. Step 5: Solve for x
    x = 42,496,971,889.87/212,855.40
  6. Step 6: Final answer
    x = 199,651.84

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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.