Home / 101,272.08-139,767.35-61,006.17

Finding the Fourth Proportional to 101,272.08, 139,767.35 and 61,006.17

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Solution

The fourth proportional to 101,272.08, 139,767.35 and 61,006.17 is: 84,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,272.08 : 139,767.35 = 61,006.17 : x
  2. Step 2: Convert to fraction form
    101,272.08/139,767.35 = 61,006.17/x
  3. Step 3: Cross multiply
    101,272.08x = 139,767.35 × 61,006.17
  4. Step 4: Simplify right side
    101,272.08x = 8,526,670,409.52
  5. Step 5: Solve for x
    x = 8,526,670,409.52/101,272.08
  6. Step 6: Final answer
    x = 84,195.67

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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.