Home / 105,090.24-157,659.12-34,972.32

Finding the Fourth Proportional to 105,090.24, 157,659.12 and 34,972.32

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Solution

The fourth proportional to 105,090.24, 157,659.12 and 34,972.32 is: 52,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,090.24 : 157,659.12 = 34,972.32 : x
  2. Step 2: Convert to fraction form
    105,090.24/157,659.12 = 34,972.32/x
  3. Step 3: Cross multiply
    105,090.24x = 157,659.12 × 34,972.32
  4. Step 4: Simplify right side
    105,090.24x = 5,513,705,195.56
  5. Step 5: Solve for x
    x = 5,513,705,195.56/105,090.24
  6. Step 6: Final answer
    x = 52,466.39

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1.5x scale

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.