Home / 157,485.90-236,240.70-45,165.24

Finding the Fourth Proportional to 157,485.90, 236,240.70 and 45,165.24

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Solution

The fourth proportional to 157,485.90, 236,240.70 and 45,165.24 is: 67,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485.90 : 236,240.70 = 45,165.24 : x
  2. Step 2: Convert to fraction form
    157,485.90/236,240.70 = 45,165.24/x
  3. Step 3: Cross multiply
    157,485.90x = 236,240.70 × 45,165.24
  4. Step 4: Simplify right side
    157,485.90x = 10,669,867,913.27
  5. Step 5: Solve for x
    x = 10,669,867,913.27/157,485.90
  6. Step 6: Final answer
    x = 67,751.26

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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.