Home / 155,254.32-232,881.60-66,450.36

Finding the Fourth Proportional to 155,254.32, 232,881.60 and 66,450.36

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Solution

The fourth proportional to 155,254.32, 232,881.60 and 66,450.36 is: 99,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,254.32 : 232,881.60 = 66,450.36 : x
  2. Step 2: Convert to fraction form
    155,254.32/232,881.60 = 66,450.36/x
  3. Step 3: Cross multiply
    155,254.32x = 232,881.60 × 66,450.36
  4. Step 4: Simplify right side
    155,254.32x = 15,475,066,157.38
  5. Step 5: Solve for x
    x = 15,475,066,157.38/155,254.32
  6. Step 6: Final answer
    x = 99,675.59

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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.