Home / 250,024.50-375,075.81-81,505.71

Finding the Fourth Proportional to 250,024.50, 375,075.81 and 81,505.71

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Solution

The fourth proportional to 250,024.50, 375,075.81 and 81,505.71 is: 122,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,024.50 : 375,075.81 = 81,505.71 : x
  2. Step 2: Convert to fraction form
    250,024.50/375,075.81 = 81,505.71/x
  3. Step 3: Cross multiply
    250,024.50x = 375,075.81 × 81,505.71
  4. Step 4: Simplify right side
    250,024.50x = 30,570,820,197.88
  5. Step 5: Solve for x
    x = 30,570,820,197.88/250,024.50
  6. Step 6: Final answer
    x = 122,271.30

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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.