Home / 147,880.69-204,075.36-80,812.69

Finding the Fourth Proportional to 147,880.69, 204,075.36 and 80,812.69

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Solution

The fourth proportional to 147,880.69, 204,075.36 and 80,812.69 is: 111,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,880.69 : 204,075.36 = 80,812.69 : x
  2. Step 2: Convert to fraction form
    147,880.69/204,075.36 = 80,812.69/x
  3. Step 3: Cross multiply
    147,880.69x = 204,075.36 × 80,812.69
  4. Step 4: Simplify right side
    147,880.69x = 16,491,878,294.13
  5. Step 5: Solve for x
    x = 16,491,878,294.13/147,880.69
  6. Step 6: Final answer
    x = 111,521.51

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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.