Home / 130,254.32-195,338.64-45,999.20

Finding the Fourth Proportional to 130,254.32, 195,338.64 and 45,999.20

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Solution

The fourth proportional to 130,254.32, 195,338.64 and 45,999.20 is: 68,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,254.32 : 195,338.64 = 45,999.20 : x
  2. Step 2: Convert to fraction form
    130,254.32/195,338.64 = 45,999.20/x
  3. Step 3: Cross multiply
    130,254.32x = 195,338.64 × 45,999.20
  4. Step 4: Simplify right side
    130,254.32x = 8,985,421,169.09
  5. Step 5: Solve for x
    x = 8,985,421,169.09/130,254.32
  6. Step 6: Final answer
    x = 68,983.67

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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.