Home / 152,615.21-210,605.07-84,631.10

Finding the Fourth Proportional to 152,615.21, 210,605.07 and 84,631.10

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Solution

The fourth proportional to 152,615.21, 210,605.07 and 84,631.10 is: 116,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,615.21 : 210,605.07 = 84,631.10 : x
  2. Step 2: Convert to fraction form
    152,615.21/210,605.07 = 84,631.10/x
  3. Step 3: Cross multiply
    152,615.21x = 210,605.07 × 84,631.10
  4. Step 4: Simplify right side
    152,615.21x = 17,823,738,739.68
  5. Step 5: Solve for x
    x = 17,823,738,739.68/152,615.21
  6. Step 6: Final answer
    x = 116,788.74

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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.