Home / 212,865.40-293,599.84-144,761.32

Finding the Fourth Proportional to 212,865.40, 293,599.84 and 144,761.32

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Solution

The fourth proportional to 212,865.40, 293,599.84 and 144,761.32 is: 199,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,865.40 : 293,599.84 = 144,761.32 : x
  2. Step 2: Convert to fraction form
    212,865.40/293,599.84 = 144,761.32/x
  3. Step 3: Cross multiply
    212,865.40x = 293,599.84 × 144,761.32
  4. Step 4: Simplify right side
    212,865.40x = 42,501,900,390.19
  5. Step 5: Solve for x
    x = 42,501,900,390.19/212,865.40
  6. Step 6: Final answer
    x = 199,665.61

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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.