Home / 122,437.61-168,950.93-68,728.54

Finding the Fourth Proportional to 122,437.61, 168,950.93 and 68,728.54

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Solution

The fourth proportional to 122,437.61, 168,950.93 and 68,728.54 is: 94,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,437.61 : 168,950.93 = 68,728.54 : x
  2. Step 2: Convert to fraction form
    122,437.61/168,950.93 = 68,728.54/x
  3. Step 3: Cross multiply
    122,437.61x = 168,950.93 × 68,728.54
  4. Step 4: Simplify right side
    122,437.61x = 11,611,750,750.54
  5. Step 5: Solve for x
    x = 11,611,750,750.54/122,437.61
  6. Step 6: Final answer
    x = 94,838.10

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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.