Home / 131,503.98-181,466.37-74,145.36

Finding the Fourth Proportional to 131,503.98, 181,466.37 and 74,145.36

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Solution

The fourth proportional to 131,503.98, 181,466.37 and 74,145.36 is: 102,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,503.98 : 181,466.37 = 74,145.36 : x
  2. Step 2: Convert to fraction form
    131,503.98/181,466.37 = 74,145.36/x
  3. Step 3: Cross multiply
    131,503.98x = 181,466.37 × 74,145.36
  4. Step 4: Simplify right side
    131,503.98x = 13,454,889,331.54
  5. Step 5: Solve for x
    x = 13,454,889,331.54/131,503.98
  6. Step 6: Final answer
    x = 102,315.45

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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.