Home / 122,232.80-168,678.02-68,521.30

Finding the Fourth Proportional to 122,232.80, 168,678.02 and 68,521.30

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Solution

The fourth proportional to 122,232.80, 168,678.02 and 68,521.30 is: 94,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,232.80 : 168,678.02 = 68,521.30 : x
  2. Step 2: Convert to fraction form
    122,232.80/168,678.02 = 68,521.30/x
  3. Step 3: Cross multiply
    122,232.80x = 168,678.02 × 68,521.30
  4. Step 4: Simplify right side
    122,232.80x = 11,558,037,211.83
  5. Step 5: Solve for x
    x = 11,558,037,211.83/122,232.80
  6. Step 6: Final answer
    x = 94,557.58

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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.