Home / 89,269.20-133,903.80-26,931.60

Finding the Fourth Proportional to 89,269.20, 133,903.80 and 26,931.60

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Solution

The fourth proportional to 89,269.20, 133,903.80 and 26,931.60 is: 40,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,269.20 : 133,903.80 = 26,931.60 : x
  2. Step 2: Convert to fraction form
    89,269.20/133,903.80 = 26,931.60/x
  3. Step 3: Cross multiply
    89,269.20x = 133,903.80 × 26,931.60
  4. Step 4: Simplify right side
    89,269.20x = 3,606,243,580.08
  5. Step 5: Solve for x
    x = 3,606,243,580.08/89,269.20
  6. Step 6: Final answer
    x = 40,397.40

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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.