Home / 127,020.18-190,377.45-46,994.34

Finding the Fourth Proportional to 127,020.18, 190,377.45 and 46,994.34

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Solution

The fourth proportional to 127,020.18, 190,377.45 and 46,994.34 is: 70,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.18 : 190,377.45 = 46,994.34 : x
  2. Step 2: Convert to fraction form
    127,020.18/190,377.45 = 46,994.34/x
  3. Step 3: Cross multiply
    127,020.18x = 190,377.45 × 46,994.34
  4. Step 4: Simplify right side
    127,020.18x = 8,946,662,613.63
  5. Step 5: Solve for x
    x = 8,946,662,613.63/127,020.18
  6. Step 6: Final answer
    x = 70,434.97

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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.