Home / 199,075.24-275,002.46-138,615.63

Finding the Fourth Proportional to 199,075.24, 275,002.46 and 138,615.63

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Solution

The fourth proportional to 199,075.24, 275,002.46 and 138,615.63 is: 191,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075.24 : 275,002.46 = 138,615.63 : x
  2. Step 2: Convert to fraction form
    199,075.24/275,002.46 = 138,615.63/x
  3. Step 3: Cross multiply
    199,075.24x = 275,002.46 × 138,615.63
  4. Step 4: Simplify right side
    199,075.24x = 38,119,639,244.45
  5. Step 5: Solve for x
    x = 38,119,639,244.45/199,075.24
  6. Step 6: Final answer
    x = 191,483.58

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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.