Home / 122,521.02-169,065.63-68,811.90

Finding the Fourth Proportional to 122,521.02, 169,065.63 and 68,811.90

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Solution

The fourth proportional to 122,521.02, 169,065.63 and 68,811.90 is: 94,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,521.02 : 169,065.63 = 68,811.90 : x
  2. Step 2: Convert to fraction form
    122,521.02/169,065.63 = 68,811.90/x
  3. Step 3: Cross multiply
    122,521.02x = 169,065.63 × 68,811.90
  4. Step 4: Simplify right side
    122,521.02x = 11,633,727,225.00
  5. Step 5: Solve for x
    x = 11,633,727,225.00/122,521.02
  6. Step 6: Final answer
    x = 94,952.91

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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.