Home / 130,210.84-179,710.11-82,468.63

Finding the Fourth Proportional to 130,210.84, 179,710.11 and 82,468.63

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Solution

The fourth proportional to 130,210.84, 179,710.11 and 82,468.63 is: 113,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,210.84 : 179,710.11 = 82,468.63 : x
  2. Step 2: Convert to fraction form
    130,210.84/179,710.11 = 82,468.63/x
  3. Step 3: Cross multiply
    130,210.84x = 179,710.11 × 82,468.63
  4. Step 4: Simplify right side
    130,210.84x = 14,820,446,568.85
  5. Step 5: Solve for x
    x = 14,820,446,568.85/130,210.84
  6. Step 6: Final answer
    x = 113,818.84

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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.