Home / 84,243.84-126,336.60-46,860.72

Finding the Fourth Proportional to 84,243.84, 126,336.60 and 46,860.72

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Solution

The fourth proportional to 84,243.84, 126,336.60 and 46,860.72 is: 70,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243.84 : 126,336.60 = 46,860.72 : x
  2. Step 2: Convert to fraction form
    84,243.84/126,336.60 = 46,860.72/x
  3. Step 3: Cross multiply
    84,243.84x = 126,336.60 × 46,860.72
  4. Step 4: Simplify right side
    84,243.84x = 5,920,224,038.35
  5. Step 5: Solve for x
    x = 5,920,224,038.35/84,243.84
  6. Step 6: Final answer
    x = 70,274.86

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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.