Home / 109,116.95-150,570.75-61,369.28

Finding the Fourth Proportional to 109,116.95, 150,570.75 and 61,369.28

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Solution

The fourth proportional to 109,116.95, 150,570.75 and 61,369.28 is: 84,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,116.95 : 150,570.75 = 61,369.28 : x
  2. Step 2: Convert to fraction form
    109,116.95/150,570.75 = 61,369.28/x
  3. Step 3: Cross multiply
    109,116.95x = 150,570.75 × 61,369.28
  4. Step 4: Simplify right side
    109,116.95x = 9,240,418,516.56
  5. Step 5: Solve for x
    x = 9,240,418,516.56/109,116.95
  6. Step 6: Final answer
    x = 84,683.62

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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.