Home / 152,748.96-210,786.18-84,765.12

Finding the Fourth Proportional to 152,748.96, 210,786.18 and 84,765.12

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Solution

The fourth proportional to 152,748.96, 210,786.18 and 84,765.12 is: 116,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,748.96 : 210,786.18 = 84,765.12 : x
  2. Step 2: Convert to fraction form
    152,748.96/210,786.18 = 84,765.12/x
  3. Step 3: Cross multiply
    152,748.96x = 210,786.18 × 84,765.12
  4. Step 4: Simplify right side
    152,748.96x = 17,867,315,842.04
  5. Step 5: Solve for x
    x = 17,867,315,842.04/152,748.96
  6. Step 6: Final answer
    x = 116,971.77

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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.