Home / 122,011.70-183,017.55-43,125.80

Finding the Fourth Proportional to 122,011.70, 183,017.55 and 43,125.80

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Solution

The fourth proportional to 122,011.70, 183,017.55 and 43,125.80 is: 64,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.70 : 183,017.55 = 43,125.80 : x
  2. Step 2: Convert to fraction form
    122,011.70/183,017.55 = 43,125.80/x
  3. Step 3: Cross multiply
    122,011.70x = 183,017.55 × 43,125.80
  4. Step 4: Simplify right side
    122,011.70x = 7,892,778,257.79
  5. Step 5: Solve for x
    x = 7,892,778,257.79/122,011.70
  6. Step 6: Final answer
    x = 64,688.70

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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.