Home / 152,742.09-210,778.57-84,762.03

Finding the Fourth Proportional to 152,742.09, 210,778.57 and 84,762.03

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Solution

The fourth proportional to 152,742.09, 210,778.57 and 84,762.03 is: 116,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,742.09 : 210,778.57 = 84,762.03 : x
  2. Step 2: Convert to fraction form
    152,742.09/210,778.57 = 84,762.03/x
  3. Step 3: Cross multiply
    152,742.09x = 210,778.57 × 84,762.03
  4. Step 4: Simplify right side
    152,742.09x = 17,866,019,473.70
  5. Step 5: Solve for x
    x = 17,866,019,473.70/152,742.09
  6. Step 6: Final answer
    x = 116,968.54

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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.