Home / 130,885.60-196,328.40-32,389.60

Finding the Fourth Proportional to 130,885.60, 196,328.40 and 32,389.60

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Solution

The fourth proportional to 130,885.60, 196,328.40 and 32,389.60 is: 48,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,885.60 : 196,328.40 = 32,389.60 : x
  2. Step 2: Convert to fraction form
    130,885.60/196,328.40 = 32,389.60/x
  3. Step 3: Cross multiply
    130,885.60x = 196,328.40 × 32,389.60
  4. Step 4: Simplify right side
    130,885.60x = 6,358,998,344.64
  5. Step 5: Solve for x
    x = 6,358,998,344.64/130,885.60
  6. Step 6: Final answer
    x = 48,584.40

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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.