Home / 77,779.24-116,667.51-25,188.82

Finding the Fourth Proportional to 77,779.24, 116,667.51 and 25,188.82

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Solution

The fourth proportional to 77,779.24, 116,667.51 and 25,188.82 is: 37,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,779.24 : 116,667.51 = 25,188.82 : x
  2. Step 2: Convert to fraction form
    77,779.24/116,667.51 = 25,188.82/x
  3. Step 3: Cross multiply
    77,779.24x = 116,667.51 × 25,188.82
  4. Step 4: Simplify right side
    77,779.24x = 2,938,716,909.24
  5. Step 5: Solve for x
    x = 2,938,716,909.24/77,779.24
  6. Step 6: Final answer
    x = 37,782.79

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1.5x scale

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.