Home / 130,543.20-195,814.80-123,326.10

Finding the Fourth Proportional to 130,543.20, 195,814.80 and 123,326.10

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Solution

The fourth proportional to 130,543.20, 195,814.80 and 123,326.10 is: 184,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,543.20 : 195,814.80 = 123,326.10 : x
  2. Step 2: Convert to fraction form
    130,543.20/195,814.80 = 123,326.10/x
  3. Step 3: Cross multiply
    130,543.20x = 195,814.80 × 123,326.10
  4. Step 4: Simplify right side
    130,543.20x = 24,149,075,606.28
  5. Step 5: Solve for x
    x = 24,149,075,606.28/130,543.20
  6. Step 6: Final answer
    x = 184,989.15

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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.