Home / 148,133.26-204,424.02-81,065.26

Finding the Fourth Proportional to 148,133.26, 204,424.02 and 81,065.26

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Solution

The fourth proportional to 148,133.26, 204,424.02 and 81,065.26 is: 111,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,133.26 : 204,424.02 = 81,065.26 : x
  2. Step 2: Convert to fraction form
    148,133.26/204,424.02 = 81,065.26/x
  3. Step 3: Cross multiply
    148,133.26x = 204,424.02 × 81,065.26
  4. Step 4: Simplify right side
    148,133.26x = 16,571,686,331.55
  5. Step 5: Solve for x
    x = 16,571,686,331.55/148,133.26
  6. Step 6: Final answer
    x = 111,870.13

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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.