Home / 91,012.81-136,551.63-46,660.45

Finding the Fourth Proportional to 91,012.81, 136,551.63 and 46,660.45

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Solution

The fourth proportional to 91,012.81, 136,551.63 and 46,660.45 is: 70,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,012.81 : 136,551.63 = 46,660.45 : x
  2. Step 2: Convert to fraction form
    91,012.81/136,551.63 = 46,660.45/x
  3. Step 3: Cross multiply
    91,012.81x = 136,551.63 × 46,660.45
  4. Step 4: Simplify right side
    91,012.81x = 6,371,560,504.03
  5. Step 5: Solve for x
    x = 6,371,560,504.03/91,012.81
  6. Step 6: Final answer
    x = 70,007.29

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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.