Home / 126,526.32-189,725.76-42,257.16

Finding the Fourth Proportional to 126,526.32, 189,725.76 and 42,257.16

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Solution

The fourth proportional to 126,526.32, 189,725.76 and 42,257.16 is: 63,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,526.32 : 189,725.76 = 42,257.16 : x
  2. Step 2: Convert to fraction form
    126,526.32/189,725.76 = 42,257.16/x
  3. Step 3: Cross multiply
    126,526.32x = 189,725.76 × 42,257.16
  4. Step 4: Simplify right side
    126,526.32x = 8,017,271,796.44
  5. Step 5: Solve for x
    x = 8,017,271,796.44/126,526.32
  6. Step 6: Final answer
    x = 63,364.46

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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.