Home / 155,038.20-232,557.30-149,133.30

Finding the Fourth Proportional to 155,038.20, 232,557.30 and 149,133.30

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Solution

The fourth proportional to 155,038.20, 232,557.30 and 149,133.30 is: 223,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,038.20 : 232,557.30 = 149,133.30 : x
  2. Step 2: Convert to fraction form
    155,038.20/232,557.30 = 149,133.30/x
  3. Step 3: Cross multiply
    155,038.20x = 232,557.30 × 149,133.30
  4. Step 4: Simplify right side
    155,038.20x = 34,682,037,588.09
  5. Step 5: Solve for x
    x = 34,682,037,588.09/155,038.20
  6. Step 6: Final answer
    x = 223,699.95

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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.