Home / 133,326.06-183,990.30-72,900.60

Finding the Fourth Proportional to 133,326.06, 183,990.30 and 72,900.60

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Solution

The fourth proportional to 133,326.06, 183,990.30 and 72,900.60 is: 100,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326.06 : 183,990.30 = 72,900.60 : x
  2. Step 2: Convert to fraction form
    133,326.06/183,990.30 = 72,900.60/x
  3. Step 3: Cross multiply
    133,326.06x = 183,990.30 × 72,900.60
  4. Step 4: Simplify right side
    133,326.06x = 13,413,003,264.18
  5. Step 5: Solve for x
    x = 13,413,003,264.18/133,326.06
  6. Step 6: Final answer
    x = 100,603.01

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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.