Home / 170,860.95-235,632.11-130,499.73

Finding the Fourth Proportional to 170,860.95, 235,632.11 and 130,499.73

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Solution

The fourth proportional to 170,860.95, 235,632.11 and 130,499.73 is: 179,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,860.95 : 235,632.11 = 130,499.73 : x
  2. Step 2: Convert to fraction form
    170,860.95/235,632.11 = 130,499.73/x
  3. Step 3: Cross multiply
    170,860.95x = 235,632.11 × 130,499.73
  4. Step 4: Simplify right side
    170,860.95x = 30,749,926,081.83
  5. Step 5: Solve for x
    x = 30,749,926,081.83/170,860.95
  6. Step 6: Final answer
    x = 179,970.47

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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.