Home / 134,035.04-184,962.81-72,778.84

Finding the Fourth Proportional to 134,035.04, 184,962.81 and 72,778.84

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Solution

The fourth proportional to 134,035.04, 184,962.81 and 72,778.84 is: 100,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,035.04 : 184,962.81 = 72,778.84 : x
  2. Step 2: Convert to fraction form
    134,035.04/184,962.81 = 72,778.84/x
  3. Step 3: Cross multiply
    134,035.04x = 184,962.81 × 72,778.84
  4. Step 4: Simplify right side
    134,035.04x = 13,461,378,149.71
  5. Step 5: Solve for x
    x = 13,461,378,149.71/134,035.04
  6. Step 6: Final answer
    x = 100,431.78

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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.