Home / 105,883.65-146,127.11-70,011.45

Finding the Fourth Proportional to 105,883.65, 146,127.11 and 70,011.45

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Solution

The fourth proportional to 105,883.65, 146,127.11 and 70,011.45 is: 96,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,883.65 : 146,127.11 = 70,011.45 : x
  2. Step 2: Convert to fraction form
    105,883.65/146,127.11 = 70,011.45/x
  3. Step 3: Cross multiply
    105,883.65x = 146,127.11 × 70,011.45
  4. Step 4: Simplify right side
    105,883.65x = 10,230,570,505.35
  5. Step 5: Solve for x
    x = 10,230,570,505.35/105,883.65
  6. Step 6: Final answer
    x = 96,620.87

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1.5x scale

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.