Home / 130,326.00-179,808.05-72,956.87

Finding the Fourth Proportional to 130,326.00, 179,808.05 and 72,956.87

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Solution

The fourth proportional to 130,326.00, 179,808.05 and 72,956.87 is: 100,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,326.00 : 179,808.05 = 72,956.87 : x
  2. Step 2: Convert to fraction form
    130,326.00/179,808.05 = 72,956.87/x
  3. Step 3: Cross multiply
    130,326.00x = 179,808.05 × 72,956.87
  4. Step 4: Simplify right side
    130,326.00x = 13,118,232,486.44
  5. Step 5: Solve for x
    x = 13,118,232,486.44/130,326.00
  6. Step 6: Final answer
    x = 100,657.07

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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.