Home / 127,666.46-191,512.80-48,846.98

Finding the Fourth Proportional to 127,666.46, 191,512.80 and 48,846.98

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Solution

The fourth proportional to 127,666.46, 191,512.80 and 48,846.98 is: 73,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,666.46 : 191,512.80 = 48,846.98 : x
  2. Step 2: Convert to fraction form
    127,666.46/191,512.80 = 48,846.98/x
  3. Step 3: Cross multiply
    127,666.46x = 191,512.80 × 48,846.98
  4. Step 4: Simplify right side
    127,666.46x = 9,354,821,911.34
  5. Step 5: Solve for x
    x = 9,354,821,911.34/127,666.46
  6. Step 6: Final answer
    x = 73,275.49

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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.