Home / 140,206.59-210,302.90-51,453.11

Finding the Fourth Proportional to 140,206.59, 210,302.90 and 51,453.11

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Solution

The fourth proportional to 140,206.59, 210,302.90 and 51,453.11 is: 77,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,206.59 : 210,302.90 = 51,453.11 : x
  2. Step 2: Convert to fraction form
    140,206.59/210,302.90 = 51,453.11/x
  3. Step 3: Cross multiply
    140,206.59x = 210,302.90 × 51,453.11
  4. Step 4: Simplify right side
    140,206.59x = 10,820,738,515.51
  5. Step 5: Solve for x
    x = 10,820,738,515.51/140,206.59
  6. Step 6: Final answer
    x = 77,177.10

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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.