Home / 130,244.76-179,677.44-76,528.80

Finding the Fourth Proportional to 130,244.76, 179,677.44 and 76,528.80

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Solution

The fourth proportional to 130,244.76, 179,677.44 and 76,528.80 is: 105,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244.76 : 179,677.44 = 76,528.80 : x
  2. Step 2: Convert to fraction form
    130,244.76/179,677.44 = 76,528.80/x
  3. Step 3: Cross multiply
    130,244.76x = 179,677.44 × 76,528.80
  4. Step 4: Simplify right side
    130,244.76x = 13,750,498,870.27
  5. Step 5: Solve for x
    x = 13,750,498,870.27/130,244.76
  6. Step 6: Final answer
    x = 105,574.30

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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.