Home / 134,679.10-202,237.35-90,501.70

Finding the Fourth Proportional to 134,679.10, 202,237.35 and 90,501.70

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Solution

The fourth proportional to 134,679.10, 202,237.35 and 90,501.70 is: 135,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,679.10 : 202,237.35 = 90,501.70 : x
  2. Step 2: Convert to fraction form
    134,679.10/202,237.35 = 90,501.70/x
  3. Step 3: Cross multiply
    134,679.10x = 202,237.35 × 90,501.70
  4. Step 4: Simplify right side
    134,679.10x = 18,302,823,978.50
  5. Step 5: Solve for x
    x = 18,302,823,978.50/134,679.10
  6. Step 6: Final answer
    x = 135,899.51

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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.