Home / 214,461.28-321,482.72-102,111.31

Finding the Fourth Proportional to 214,461.28, 321,482.72 and 102,111.31

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Solution

The fourth proportional to 214,461.28, 321,482.72 and 102,111.31 is: 153,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,461.28 : 321,482.72 = 102,111.31 : x
  2. Step 2: Convert to fraction form
    214,461.28/321,482.72 = 102,111.31/x
  3. Step 3: Cross multiply
    214,461.28x = 321,482.72 × 102,111.31
  4. Step 4: Simplify right side
    214,461.28x = 32,827,020,530.35
  5. Step 5: Solve for x
    x = 32,827,020,530.35/214,461.28
  6. Step 6: Final answer
    x = 153,067.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.