Home / 84,328.29-126,492.44-28,158.03

Finding the Fourth Proportional to 84,328.29, 126,492.44 and 28,158.03

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Solution

The fourth proportional to 84,328.29, 126,492.44 and 28,158.03 is: 42,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,328.29 : 126,492.44 = 28,158.03 : x
  2. Step 2: Convert to fraction form
    84,328.29/126,492.44 = 28,158.03/x
  3. Step 3: Cross multiply
    84,328.29x = 126,492.44 × 28,158.03
  4. Step 4: Simplify right side
    84,328.29x = 3,561,777,779.50
  5. Step 5: Solve for x
    x = 3,561,777,779.50/84,328.29
  6. Step 6: Final answer
    x = 42,237.05

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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.