Home / 134,824.60-202,236.90-84,742.30

Finding the Fourth Proportional to 134,824.60, 202,236.90 and 84,742.30

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Solution

The fourth proportional to 134,824.60, 202,236.90 and 84,742.30 is: 127,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.60 : 202,236.90 = 84,742.30 : x
  2. Step 2: Convert to fraction form
    134,824.60/202,236.90 = 84,742.30/x
  3. Step 3: Cross multiply
    134,824.60x = 202,236.90 × 84,742.30
  4. Step 4: Simplify right side
    134,824.60x = 17,138,020,050.87
  5. Step 5: Solve for x
    x = 17,138,020,050.87/134,824.60
  6. Step 6: Final answer
    x = 127,113.45

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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.