Home / 126,522.36-174,583.02-72,075.96

Finding the Fourth Proportional to 126,522.36, 174,583.02 and 72,075.96

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Solution

The fourth proportional to 126,522.36, 174,583.02 and 72,075.96 is: 99,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,522.36 : 174,583.02 = 72,075.96 : x
  2. Step 2: Convert to fraction form
    126,522.36/174,583.02 = 72,075.96/x
  3. Step 3: Cross multiply
    126,522.36x = 174,583.02 × 72,075.96
  4. Step 4: Simplify right side
    126,522.36x = 12,583,238,766.20
  5. Step 5: Solve for x
    x = 12,583,238,766.20/126,522.36
  6. Step 6: Final answer
    x = 99,454.66

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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.