Home / 109,079.06-150,530.00-61,331.99

Finding the Fourth Proportional to 109,079.06, 150,530.00 and 61,331.99

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Solution

The fourth proportional to 109,079.06, 150,530.00 and 61,331.99 is: 84,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079.06 : 150,530.00 = 61,331.99 : x
  2. Step 2: Convert to fraction form
    109,079.06/150,530.00 = 61,331.99/x
  3. Step 3: Cross multiply
    109,079.06x = 150,530.00 × 61,331.99
  4. Step 4: Simplify right side
    109,079.06x = 9,232,303,395.39
  5. Step 5: Solve for x
    x = 9,232,303,395.39/109,079.06
  6. Step 6: Final answer
    x = 84,638.64

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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.