Home / 255,084.39-382,701.31-105,333.21

Finding the Fourth Proportional to 255,084.39, 382,701.31 and 105,333.21

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Solution

The fourth proportional to 255,084.39, 382,701.31 and 105,333.21 is: 158,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,084.39 : 382,701.31 = 105,333.21 : x
  2. Step 2: Convert to fraction form
    255,084.39/382,701.31 = 105,333.21/x
  3. Step 3: Cross multiply
    255,084.39x = 382,701.31 × 105,333.21
  4. Step 4: Simplify right side
    255,084.39x = 40,311,157,190.17
  5. Step 5: Solve for x
    x = 40,311,157,190.17/255,084.39
  6. Step 6: Final answer
    x = 158,030.67

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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.