Home / 131,341.08-181,232.46-73,970.76

Finding the Fourth Proportional to 131,341.08, 181,232.46 and 73,970.76

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Solution

The fourth proportional to 131,341.08, 181,232.46 and 73,970.76 is: 102,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,341.08 : 181,232.46 = 73,970.76 : x
  2. Step 2: Convert to fraction form
    131,341.08/181,232.46 = 73,970.76/x
  3. Step 3: Cross multiply
    131,341.08x = 181,232.46 × 73,970.76
  4. Step 4: Simplify right side
    131,341.08x = 13,405,902,802.87
  5. Step 5: Solve for x
    x = 13,405,902,802.87/131,341.08
  6. Step 6: Final answer
    x = 102,069.38

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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.