Home / 135,953.20-204,002.70-57,075.40

Finding the Fourth Proportional to 135,953.20, 204,002.70 and 57,075.40

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Solution

The fourth proportional to 135,953.20, 204,002.70 and 57,075.40 is: 85,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.20 : 204,002.70 = 57,075.40 : x
  2. Step 2: Convert to fraction form
    135,953.20/204,002.70 = 57,075.40/x
  3. Step 3: Cross multiply
    135,953.20x = 204,002.70 × 57,075.40
  4. Step 4: Simplify right side
    135,953.20x = 11,643,535,703.58
  5. Step 5: Solve for x
    x = 11,643,535,703.58/135,953.20
  6. Step 6: Final answer
    x = 85,643.70

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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.