Home / 130,266.96-179,849.04-99,994.32

Finding the Fourth Proportional to 130,266.96, 179,849.04 and 99,994.32

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Solution

The fourth proportional to 130,266.96, 179,849.04 and 99,994.32 is: 138,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.96 : 179,849.04 = 99,994.32 : x
  2. Step 2: Convert to fraction form
    130,266.96/179,849.04 = 99,994.32/x
  3. Step 3: Cross multiply
    130,266.96x = 179,849.04 × 99,994.32
  4. Step 4: Simplify right side
    130,266.96x = 17,983,882,457.45
  5. Step 5: Solve for x
    x = 17,983,882,457.45/130,266.96
  6. Step 6: Final answer
    x = 138,054.06

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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.