Home / 90,436.40-135,622.20-46,048.40

Finding the Fourth Proportional to 90,436.40, 135,622.20 and 46,048.40

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Solution

The fourth proportional to 90,436.40, 135,622.20 and 46,048.40 is: 69,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.40 : 135,622.20 = 46,048.40 : x
  2. Step 2: Convert to fraction form
    90,436.40/135,622.20 = 46,048.40/x
  3. Step 3: Cross multiply
    90,436.40x = 135,622.20 × 46,048.40
  4. Step 4: Simplify right side
    90,436.40x = 6,245,185,314.48
  5. Step 5: Solve for x
    x = 6,245,185,314.48/90,436.40
  6. Step 6: Final answer
    x = 69,056.10

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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.