Home / 145,075.67-217,588.43-38,460.33

Finding the Fourth Proportional to 145,075.67, 217,588.43 and 38,460.33

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Solution

The fourth proportional to 145,075.67, 217,588.43 and 38,460.33 is: 57,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,075.67 : 217,588.43 = 38,460.33 : x
  2. Step 2: Convert to fraction form
    145,075.67/217,588.43 = 38,460.33/x
  3. Step 3: Cross multiply
    145,075.67x = 217,588.43 × 38,460.33
  4. Step 4: Simplify right side
    145,075.67x = 8,368,522,629.68
  5. Step 5: Solve for x
    x = 8,368,522,629.68/145,075.67
  6. Step 6: Final answer
    x = 57,683.85

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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.