Home / 115,030.12-158,745.07-62,645.55

Finding the Fourth Proportional to 115,030.12, 158,745.07 and 62,645.55

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Solution

The fourth proportional to 115,030.12, 158,745.07 and 62,645.55 is: 86,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.12 : 158,745.07 = 62,645.55 : x
  2. Step 2: Convert to fraction form
    115,030.12/158,745.07 = 62,645.55/x
  3. Step 3: Cross multiply
    115,030.12x = 158,745.07 × 62,645.55
  4. Step 4: Simplify right side
    115,030.12x = 9,944,672,219.94
  5. Step 5: Solve for x
    x = 9,944,672,219.94/115,030.12
  6. Step 6: Final answer
    x = 86,452.77

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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.