Home / 113,522.32-170,128.93-53,541.45

Finding the Fourth Proportional to 113,522.32, 170,128.93 and 53,541.45

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Solution

The fourth proportional to 113,522.32, 170,128.93 and 53,541.45 is: 80,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,522.32 : 170,128.93 = 53,541.45 : x
  2. Step 2: Convert to fraction form
    113,522.32/170,128.93 = 53,541.45/x
  3. Step 3: Cross multiply
    113,522.32x = 170,128.93 × 53,541.45
  4. Step 4: Simplify right side
    113,522.32x = 9,108,949,599.15
  5. Step 5: Solve for x
    x = 9,108,949,599.15/113,522.32
  6. Step 6: Final answer
    x = 80,239.28

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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.