Home / 103,485.36-142,810.32-60,467.32

Finding the Fourth Proportional to 103,485.36, 142,810.32 and 60,467.32

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Solution

The fourth proportional to 103,485.36, 142,810.32 and 60,467.32 is: 83,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.36 : 142,810.32 = 60,467.32 : x
  2. Step 2: Convert to fraction form
    103,485.36/142,810.32 = 60,467.32/x
  3. Step 3: Cross multiply
    103,485.36x = 142,810.32 × 60,467.32
  4. Step 4: Simplify right side
    103,485.36x = 8,635,357,318.74
  5. Step 5: Solve for x
    x = 8,635,357,318.74/103,485.36
  6. Step 6: Final answer
    x = 83,445.21

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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.