Home / 123,228.40-184,842.60-40,130.80

Finding the Fourth Proportional to 123,228.40, 184,842.60 and 40,130.80

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Solution

The fourth proportional to 123,228.40, 184,842.60 and 40,130.80 is: 60,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,228.40 : 184,842.60 = 40,130.80 : x
  2. Step 2: Convert to fraction form
    123,228.40/184,842.60 = 40,130.80/x
  3. Step 3: Cross multiply
    123,228.40x = 184,842.60 × 40,130.80
  4. Step 4: Simplify right side
    123,228.40x = 7,417,881,412.08
  5. Step 5: Solve for x
    x = 7,417,881,412.08/123,228.40
  6. Step 6: Final answer
    x = 60,196.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.