Home / 197,123.60-295,685.40-122,328.20

Finding the Fourth Proportional to 197,123.60, 295,685.40 and 122,328.20

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Solution

The fourth proportional to 197,123.60, 295,685.40 and 122,328.20 is: 183,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,123.60 : 295,685.40 = 122,328.20 : x
  2. Step 2: Convert to fraction form
    197,123.60/295,685.40 = 122,328.20/x
  3. Step 3: Cross multiply
    197,123.60x = 295,685.40 × 122,328.20
  4. Step 4: Simplify right side
    197,123.60x = 36,170,662,748.28
  5. Step 5: Solve for x
    x = 36,170,662,748.28/197,123.60
  6. Step 6: Final answer
    x = 183,492.30

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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.