Home / 140,097.09-210,143.67-65,175.33

Finding the Fourth Proportional to 140,097.09, 210,143.67 and 65,175.33

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Solution

The fourth proportional to 140,097.09, 210,143.67 and 65,175.33 is: 97,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,097.09 : 210,143.67 = 65,175.33 : x
  2. Step 2: Convert to fraction form
    140,097.09/210,143.67 = 65,175.33/x
  3. Step 3: Cross multiply
    140,097.09x = 210,143.67 × 65,175.33
  4. Step 4: Simplify right side
    140,097.09x = 13,696,183,583.29
  5. Step 5: Solve for x
    x = 13,696,183,583.29/140,097.09
  6. Step 6: Final answer
    x = 97,762.08

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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.