Home / 157,199.10-235,798.65-90,596.73

Finding the Fourth Proportional to 157,199.10, 235,798.65 and 90,596.73

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Solution

The fourth proportional to 157,199.10, 235,798.65 and 90,596.73 is: 135,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,199.10 : 235,798.65 = 90,596.73 : x
  2. Step 2: Convert to fraction form
    157,199.10/235,798.65 = 90,596.73/x
  3. Step 3: Cross multiply
    157,199.10x = 235,798.65 × 90,596.73
  4. Step 4: Simplify right side
    157,199.10x = 21,362,586,628.41
  5. Step 5: Solve for x
    x = 21,362,586,628.41/157,199.10
  6. Step 6: Final answer
    x = 135,895.10

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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.