Home / 156,855.29-235,258.22-130,371.32

Finding the Fourth Proportional to 156,855.29, 235,258.22 and 130,371.32

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Solution

The fourth proportional to 156,855.29, 235,258.22 and 130,371.32 is: 195,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,855.29 : 235,258.22 = 130,371.32 : x
  2. Step 2: Convert to fraction form
    156,855.29/235,258.22 = 130,371.32/x
  3. Step 3: Cross multiply
    156,855.29x = 235,258.22 × 130,371.32
  4. Step 4: Simplify right side
    156,855.29x = 30,670,925,596.32
  5. Step 5: Solve for x
    x = 30,670,925,596.32/156,855.29
  6. Step 6: Final answer
    x = 195,536.45

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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.