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Finding the Fourth Proportional to 184,681.98, 255,071.34 and 124,147.64

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Solution

The fourth proportional to 184,681.98, 255,071.34 and 124,147.64 is: 171,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,681.98 : 255,071.34 = 124,147.64 : x
  2. Step 2: Convert to fraction form
    184,681.98/255,071.34 = 124,147.64/x
  3. Step 3: Cross multiply
    184,681.98x = 255,071.34 × 124,147.64
  4. Step 4: Simplify right side
    184,681.98x = 31,666,504,892.64
  5. Step 5: Solve for x
    x = 31,666,504,892.64/184,681.98
  6. Step 6: Final answer
    x = 171,465.05

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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.