Home / 99,075.42-148,359.40-54,652.80

Finding the Fourth Proportional to 99,075.42, 148,359.40 and 54,652.80

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Solution

The fourth proportional to 99,075.42, 148,359.40 and 54,652.80 is: 81,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.42 : 148,359.40 = 54,652.80 : x
  2. Step 2: Convert to fraction form
    99,075.42/148,359.40 = 54,652.80/x
  3. Step 3: Cross multiply
    99,075.42x = 148,359.40 × 54,652.80
  4. Step 4: Simplify right side
    99,075.42x = 8,108,256,616.32
  5. Step 5: Solve for x
    x = 8,108,256,616.32/99,075.42
  6. Step 6: Final answer
    x = 81,839.24

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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.