Home / 126,501.49-189,779.55-47,615.48

Finding the Fourth Proportional to 126,501.49, 189,779.55 and 47,615.48

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Solution

The fourth proportional to 126,501.49, 189,779.55 and 47,615.48 is: 71,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,501.49 : 189,779.55 = 47,615.48 : x
  2. Step 2: Convert to fraction form
    126,501.49/189,779.55 = 47,615.48/x
  3. Step 3: Cross multiply
    126,501.49x = 189,779.55 × 47,615.48
  4. Step 4: Simplify right side
    126,501.49x = 9,036,444,367.43
  5. Step 5: Solve for x
    x = 9,036,444,367.43/126,501.49
  6. Step 6: Final answer
    x = 71,433.50

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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.