Home / 104,202.64-143,783.40-61,754.32

Finding the Fourth Proportional to 104,202.64, 143,783.40 and 61,754.32

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Solution

The fourth proportional to 104,202.64, 143,783.40 and 61,754.32 is: 85,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,202.64 : 143,783.40 = 61,754.32 : x
  2. Step 2: Convert to fraction form
    104,202.64/143,783.40 = 61,754.32/x
  3. Step 3: Cross multiply
    104,202.64x = 143,783.40 × 61,754.32
  4. Step 4: Simplify right side
    104,202.64x = 8,879,246,094.29
  5. Step 5: Solve for x
    x = 8,879,246,094.29/104,202.64
  6. Step 6: Final answer
    x = 85,211.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.