Home / 260,124.93-390,218.65-91,610.44

Finding the Fourth Proportional to 260,124.93, 390,218.65 and 91,610.44

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Solution

The fourth proportional to 260,124.93, 390,218.65 and 91,610.44 is: 137,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,124.93 : 390,218.65 = 91,610.44 : x
  2. Step 2: Convert to fraction form
    260,124.93/390,218.65 = 91,610.44/x
  3. Step 3: Cross multiply
    260,124.93x = 390,218.65 × 91,610.44
  4. Step 4: Simplify right side
    260,124.93x = 35,748,102,222.71
  5. Step 5: Solve for x
    x = 35,748,102,222.71/260,124.93
  6. Step 6: Final answer
    x = 137,426.67

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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.