Home / 126,293.10-189,438-36,338.16

Finding the Fourth Proportional to 126,293.10, 189,438 and 36,338.16

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Solution

The fourth proportional to 126,293.10, 189,438 and 36,338.16 is: 54,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.10 : 189,438 = 36,338.16 : x
  2. Step 2: Convert to fraction form
    126,293.10/189,438 = 36,338.16/x
  3. Step 3: Cross multiply
    126,293.10x = 189,438 × 36,338.16
  4. Step 4: Simplify right side
    126,293.10x = 6,883,828,354.08
  5. Step 5: Solve for x
    x = 6,883,828,354.08/126,293.10
  6. Step 6: Final answer
    x = 54,506.77

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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.