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Finding the Fourth Proportional to 124,125.28, 184,784.12 and 123,387.28

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Solution

The fourth proportional to 124,125.28, 184,784.12 and 123,387.28 is: 183,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,125.28 : 184,784.12 = 123,387.28 : x
  2. Step 2: Convert to fraction form
    124,125.28/184,784.12 = 123,387.28/x
  3. Step 3: Cross multiply
    124,125.28x = 184,784.12 × 123,387.28
  4. Step 4: Simplify right side
    124,125.28x = 22,800,009,953.99
  5. Step 5: Solve for x
    x = 22,800,009,953.99/124,125.28
  6. Step 6: Final answer
    x = 183,685.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.