Home / 141,364.43-195,077.73-77,701.67

Finding the Fourth Proportional to 141,364.43, 195,077.73 and 77,701.67

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Solution

The fourth proportional to 141,364.43, 195,077.73 and 77,701.67 is: 107,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.43 : 195,077.73 = 77,701.67 : x
  2. Step 2: Convert to fraction form
    141,364.43/195,077.73 = 77,701.67/x
  3. Step 3: Cross multiply
    141,364.43x = 195,077.73 × 77,701.67
  4. Step 4: Simplify right side
    141,364.43x = 15,157,865,400.81
  5. Step 5: Solve for x
    x = 15,157,865,400.81/141,364.43
  6. Step 6: Final answer
    x = 107,225.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.