Home / 122,427.55-168,950.02-68,712.57

Finding the Fourth Proportional to 122,427.55, 168,950.02 and 68,712.57

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Solution

The fourth proportional to 122,427.55, 168,950.02 and 68,712.57 is: 94,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,427.55 : 168,950.02 = 68,712.57 : x
  2. Step 2: Convert to fraction form
    122,427.55/168,950.02 = 68,712.57/x
  3. Step 3: Cross multiply
    122,427.55x = 168,950.02 × 68,712.57
  4. Step 4: Simplify right side
    122,427.55x = 11,608,990,075.75
  5. Step 5: Solve for x
    x = 11,608,990,075.75/122,427.55
  6. Step 6: Final answer
    x = 94,823.35

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1.5x scale

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.