Home / 140,306.96-210,471.36-46,812.64

Finding the Fourth Proportional to 140,306.96, 210,471.36 and 46,812.64

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Solution

The fourth proportional to 140,306.96, 210,471.36 and 46,812.64 is: 70,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.96 : 210,471.36 = 46,812.64 : x
  2. Step 2: Convert to fraction form
    140,306.96/210,471.36 = 46,812.64/x
  3. Step 3: Cross multiply
    140,306.96x = 210,471.36 × 46,812.64
  4. Step 4: Simplify right side
    140,306.96x = 9,852,720,005.99
  5. Step 5: Solve for x
    x = 9,852,720,005.99/140,306.96
  6. Step 6: Final answer
    x = 70,222.60

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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.