Home / 133,679-184,477.02-79,966.28

Finding the Fourth Proportional to 133,679, 184,477.02 and 79,966.28

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Solution

The fourth proportional to 133,679, 184,477.02 and 79,966.28 is: 110,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,679 : 184,477.02 = 79,966.28 : x
  2. Step 2: Convert to fraction form
    133,679/184,477.02 = 79,966.28/x
  3. Step 3: Cross multiply
    133,679x = 184,477.02 × 79,966.28
  4. Step 4: Simplify right side
    133,679x = 14,751,941,034.89
  5. Step 5: Solve for x
    x = 14,751,941,034.89/133,679
  6. Step 6: Final answer
    x = 110,353.47

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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.