Home / 131,127.68-180,954.24-73,762.67

Finding the Fourth Proportional to 131,127.68, 180,954.24 and 73,762.67

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Solution

The fourth proportional to 131,127.68, 180,954.24 and 73,762.67 is: 101,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127.68 : 180,954.24 = 73,762.67 : x
  2. Step 2: Convert to fraction form
    131,127.68/180,954.24 = 73,762.67/x
  3. Step 3: Cross multiply
    131,127.68x = 180,954.24 × 73,762.67
  4. Step 4: Simplify right side
    131,127.68x = 13,347,666,985.45
  5. Step 5: Solve for x
    x = 13,347,666,985.45/131,127.68
  6. Step 6: Final answer
    x = 101,791.38

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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.