Home / 126,946.62-190,436.31-42,670.44

Finding the Fourth Proportional to 126,946.62, 190,436.31 and 42,670.44

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Solution

The fourth proportional to 126,946.62, 190,436.31 and 42,670.44 is: 64,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,946.62 : 190,436.31 = 42,670.44 : x
  2. Step 2: Convert to fraction form
    126,946.62/190,436.31 = 42,670.44/x
  3. Step 3: Cross multiply
    126,946.62x = 190,436.31 × 42,670.44
  4. Step 4: Simplify right side
    126,946.62x = 8,126,001,139.68
  5. Step 5: Solve for x
    x = 8,126,001,139.68/126,946.62
  6. Step 6: Final answer
    x = 64,011.17

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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.