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Finding the Fourth Proportional to 122,948.90, 184,423.35 and 122,948.90

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Solution

The fourth proportional to 122,948.90, 184,423.35 and 122,948.90 is: 184,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.90 : 184,423.35 = 122,948.90 : x
  2. Step 2: Convert to fraction form
    122,948.90/184,423.35 = 122,948.90/x
  3. Step 3: Cross multiply
    122,948.90x = 184,423.35 × 122,948.90
  4. Step 4: Simplify right side
    122,948.90x = 22,674,648,016.82
  5. Step 5: Solve for x
    x = 22,674,648,016.82/122,948.90
  6. Step 6: Final answer
    x = 184,423.35

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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.