Home / 126,156.79-189,271.71-37,412.44

Finding the Fourth Proportional to 126,156.79, 189,271.71 and 37,412.44

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Solution

The fourth proportional to 126,156.79, 189,271.71 and 37,412.44 is: 56,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,156.79 : 189,271.71 = 37,412.44 : x
  2. Step 2: Convert to fraction form
    126,156.79/189,271.71 = 37,412.44/x
  3. Step 3: Cross multiply
    126,156.79x = 189,271.71 × 37,412.44
  4. Step 4: Simplify right side
    126,156.79x = 7,081,116,494.07
  5. Step 5: Solve for x
    x = 7,081,116,494.07/126,156.79
  6. Step 6: Final answer
    x = 56,129.49

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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.