Home / 130,208.80-179,687.28-73,620.40

Finding the Fourth Proportional to 130,208.80, 179,687.28 and 73,620.40

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Solution

The fourth proportional to 130,208.80, 179,687.28 and 73,620.40 is: 101,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,208.80 : 179,687.28 = 73,620.40 : x
  2. Step 2: Convert to fraction form
    130,208.80/179,687.28 = 73,620.40/x
  3. Step 3: Cross multiply
    130,208.80x = 179,687.28 × 73,620.40
  4. Step 4: Simplify right side
    130,208.80x = 13,228,649,428.51
  5. Step 5: Solve for x
    x = 13,228,649,428.51/130,208.80
  6. Step 6: Final answer
    x = 101,595.66

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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.