Home / 140,120.32-210,212.16-46,629.76

Finding the Fourth Proportional to 140,120.32, 210,212.16 and 46,629.76

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Solution

The fourth proportional to 140,120.32, 210,212.16 and 46,629.76 is: 69,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,120.32 : 210,212.16 = 46,629.76 : x
  2. Step 2: Convert to fraction form
    140,120.32/210,212.16 = 46,629.76/x
  3. Step 3: Cross multiply
    140,120.32x = 210,212.16 × 46,629.76
  4. Step 4: Simplify right side
    140,120.32x = 9,802,142,569.88
  5. Step 5: Solve for x
    x = 9,802,142,569.88/140,120.32
  6. Step 6: Final answer
    x = 69,955.18

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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.