Home / 140,309.04-210,127.32-102,256.32

Finding the Fourth Proportional to 140,309.04, 210,127.32 and 102,256.32

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Solution

The fourth proportional to 140,309.04, 210,127.32 and 102,256.32 is: 153,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.04 : 210,127.32 = 102,256.32 : x
  2. Step 2: Convert to fraction form
    140,309.04/210,127.32 = 102,256.32/x
  3. Step 3: Cross multiply
    140,309.04x = 210,127.32 × 102,256.32
  4. Step 4: Simplify right side
    140,309.04x = 21,486,846,474.66
  5. Step 5: Solve for x
    x = 21,486,846,474.66/140,309.04
  6. Step 6: Final answer
    x = 153,139.43

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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.