Home / 107,290.85-148,015.08-64,824.75

Finding the Fourth Proportional to 107,290.85, 148,015.08 and 64,824.75

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Solution

The fourth proportional to 107,290.85, 148,015.08 and 64,824.75 is: 89,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,290.85 : 148,015.08 = 64,824.75 : x
  2. Step 2: Convert to fraction form
    107,290.85/148,015.08 = 64,824.75/x
  3. Step 3: Cross multiply
    107,290.85x = 148,015.08 × 64,824.75
  4. Step 4: Simplify right side
    107,290.85x = 9,595,040,557.23
  5. Step 5: Solve for x
    x = 9,595,040,557.23/107,290.85
  6. Step 6: Final answer
    x = 89,430.19

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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.