Home / 126,981.15-190,473.35-87,527.67

Finding the Fourth Proportional to 126,981.15, 190,473.35 and 87,527.67

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Solution

The fourth proportional to 126,981.15, 190,473.35 and 87,527.67 is: 131,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,981.15 : 190,473.35 = 87,527.67 : x
  2. Step 2: Convert to fraction form
    126,981.15/190,473.35 = 87,527.67/x
  3. Step 3: Cross multiply
    126,981.15x = 190,473.35 × 87,527.67
  4. Step 4: Simplify right side
    126,981.15x = 16,671,688,084.96
  5. Step 5: Solve for x
    x = 16,671,688,084.96/126,981.15
  6. Step 6: Final answer
    x = 131,292.62

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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.