Home / 139,014.87-208,360.98-63,977.46

Finding the Fourth Proportional to 139,014.87, 208,360.98 and 63,977.46

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Solution

The fourth proportional to 139,014.87, 208,360.98 and 63,977.46 is: 95,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014.87 : 208,360.98 = 63,977.46 : x
  2. Step 2: Convert to fraction form
    139,014.87/208,360.98 = 63,977.46/x
  3. Step 3: Cross multiply
    139,014.87x = 208,360.98 × 63,977.46
  4. Step 4: Simplify right side
    139,014.87x = 13,330,406,263.51
  5. Step 5: Solve for x
    x = 13,330,406,263.51/139,014.87
  6. Step 6: Final answer
    x = 95,891.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.