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Finding the Fourth Proportional to 132,807.60, 199,211.40 and 39,313.35

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Solution

The fourth proportional to 132,807.60, 199,211.40 and 39,313.35 is: 58,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.60 : 199,211.40 = 39,313.35 : x
  2. Step 2: Convert to fraction form
    132,807.60/199,211.40 = 39,313.35/x
  3. Step 3: Cross multiply
    132,807.60x = 199,211.40 × 39,313.35
  4. Step 4: Simplify right side
    132,807.60x = 7,831,667,492.19
  5. Step 5: Solve for x
    x = 7,831,667,492.19/132,807.60
  6. Step 6: Final answer
    x = 58,970.03

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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.