Home / 133,860.28-184,731.18-74,243

Finding the Fourth Proportional to 133,860.28, 184,731.18 and 74,243

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Solution

The fourth proportional to 133,860.28, 184,731.18 and 74,243 is: 102,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,860.28 : 184,731.18 = 74,243 : x
  2. Step 2: Convert to fraction form
    133,860.28/184,731.18 = 74,243/x
  3. Step 3: Cross multiply
    133,860.28x = 184,731.18 × 74,243
  4. Step 4: Simplify right side
    133,860.28x = 13,714,996,996.74
  5. Step 5: Solve for x
    x = 13,714,996,996.74/133,860.28
  6. Step 6: Final answer
    x = 102,457.55

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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.