Home / 140,319.04-210,142.32-102,266.32

Finding the Fourth Proportional to 140,319.04, 210,142.32 and 102,266.32

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Solution

The fourth proportional to 140,319.04, 210,142.32 and 102,266.32 is: 153,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.04 : 210,142.32 = 102,266.32 : x
  2. Step 2: Convert to fraction form
    140,319.04/210,142.32 = 102,266.32/x
  3. Step 3: Cross multiply
    140,319.04x = 210,142.32 × 102,266.32
  4. Step 4: Simplify right side
    140,319.04x = 21,490,481,742.66
  5. Step 5: Solve for x
    x = 21,490,481,742.66/140,319.04
  6. Step 6: Final answer
    x = 153,154.42

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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.