Home / 130,356.36-179,891.82-70,740.36

Finding the Fourth Proportional to 130,356.36, 179,891.82 and 70,740.36

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Solution

The fourth proportional to 130,356.36, 179,891.82 and 70,740.36 is: 97,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,356.36 : 179,891.82 = 70,740.36 : x
  2. Step 2: Convert to fraction form
    130,356.36/179,891.82 = 70,740.36/x
  3. Step 3: Cross multiply
    130,356.36x = 179,891.82 × 70,740.36
  4. Step 4: Simplify right side
    130,356.36x = 12,725,612,107.86
  5. Step 5: Solve for x
    x = 12,725,612,107.86/130,356.36
  6. Step 6: Final answer
    x = 97,621.72

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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.