Home / 133,230.08-183,852.02-72,802.80

Finding the Fourth Proportional to 133,230.08, 183,852.02 and 72,802.80

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Solution

The fourth proportional to 133,230.08, 183,852.02 and 72,802.80 is: 100,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.08 : 183,852.02 = 72,802.80 : x
  2. Step 2: Convert to fraction form
    133,230.08/183,852.02 = 72,802.80/x
  3. Step 3: Cross multiply
    133,230.08x = 183,852.02 × 72,802.80
  4. Step 4: Simplify right side
    133,230.08x = 13,384,941,477.64
  5. Step 5: Solve for x
    x = 13,384,941,477.64/133,230.08
  6. Step 6: Final answer
    x = 100,464.86

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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.