Home / 90,636.46-136,000.73-40,706.35

Finding the Fourth Proportional to 90,636.46, 136,000.73 and 40,706.35

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Solution

The fourth proportional to 90,636.46, 136,000.73 and 40,706.35 is: 61,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.46 : 136,000.73 = 40,706.35 : x
  2. Step 2: Convert to fraction form
    90,636.46/136,000.73 = 40,706.35/x
  3. Step 3: Cross multiply
    90,636.46x = 136,000.73 × 40,706.35
  4. Step 4: Simplify right side
    90,636.46x = 5,536,093,077.40
  5. Step 5: Solve for x
    x = 5,536,093,077.40/90,636.46
  6. Step 6: Final answer
    x = 61,080.20

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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.