Home / 126,741.08-174,899.98-69,378.91

Finding the Fourth Proportional to 126,741.08, 174,899.98 and 69,378.91

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Solution

The fourth proportional to 126,741.08, 174,899.98 and 69,378.91 is: 95,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.08 : 174,899.98 = 69,378.91 : x
  2. Step 2: Convert to fraction form
    126,741.08/174,899.98 = 69,378.91/x
  3. Step 3: Cross multiply
    126,741.08x = 174,899.98 × 69,378.91
  4. Step 4: Simplify right side
    126,741.08x = 12,134,369,971.42
  5. Step 5: Solve for x
    x = 12,134,369,971.42/126,741.08
  6. Step 6: Final answer
    x = 95,741.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.