Home / 130,633.98-180,232.35-76,173.87

Finding the Fourth Proportional to 130,633.98, 180,232.35 and 76,173.87

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Solution

The fourth proportional to 130,633.98, 180,232.35 and 76,173.87 is: 105,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,633.98 : 180,232.35 = 76,173.87 : x
  2. Step 2: Convert to fraction form
    130,633.98/180,232.35 = 76,173.87/x
  3. Step 3: Cross multiply
    130,633.98x = 180,232.35 × 76,173.87
  4. Step 4: Simplify right side
    130,633.98x = 13,728,995,598.69
  5. Step 5: Solve for x
    x = 13,728,995,598.69/130,633.98
  6. Step 6: Final answer
    x = 105,095.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.