Home / 113,537.40-170,075.70-64,231.80

Finding the Fourth Proportional to 113,537.40, 170,075.70 and 64,231.80

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Solution

The fourth proportional to 113,537.40, 170,075.70 and 64,231.80 is: 96,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,537.40 : 170,075.70 = 64,231.80 : x
  2. Step 2: Convert to fraction form
    113,537.40/170,075.70 = 64,231.80/x
  3. Step 3: Cross multiply
    113,537.40x = 170,075.70 × 64,231.80
  4. Step 4: Simplify right side
    113,537.40x = 10,924,268,347.26
  5. Step 5: Solve for x
    x = 10,924,268,347.26/113,537.40
  6. Step 6: Final answer
    x = 96,217.36

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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.