Home / 152,664.96-210,670.20-84,684.60

Finding the Fourth Proportional to 152,664.96, 210,670.20 and 84,684.60

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Solution

The fourth proportional to 152,664.96, 210,670.20 and 84,684.60 is: 116,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,664.96 : 210,670.20 = 84,684.60 : x
  2. Step 2: Convert to fraction form
    152,664.96/210,670.20 = 84,684.60/x
  3. Step 3: Cross multiply
    152,664.96x = 210,670.20 × 84,684.60
  4. Step 4: Simplify right side
    152,664.96x = 17,840,521,618.92
  5. Step 5: Solve for x
    x = 17,840,521,618.92/152,664.96
  6. Step 6: Final answer
    x = 116,860.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.