Home / 140,144.32-210,248.16-46,653.76

Finding the Fourth Proportional to 140,144.32, 210,248.16 and 46,653.76

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Solution

The fourth proportional to 140,144.32, 210,248.16 and 46,653.76 is: 69,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,144.32 : 210,248.16 = 46,653.76 : x
  2. Step 2: Convert to fraction form
    140,144.32/210,248.16 = 46,653.76/x
  3. Step 3: Cross multiply
    140,144.32x = 210,248.16 × 46,653.76
  4. Step 4: Simplify right side
    140,144.32x = 9,808,867,197.08
  5. Step 5: Solve for x
    x = 9,808,867,197.08/140,144.32
  6. Step 6: Final answer
    x = 69,991.19

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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.