Home / 207,419.37-286,119.46-130,911.28

Finding the Fourth Proportional to 207,419.37, 286,119.46 and 130,911.28

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Solution

The fourth proportional to 207,419.37, 286,119.46 and 130,911.28 is: 180,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,419.37 : 286,119.46 = 130,911.28 : x
  2. Step 2: Convert to fraction form
    207,419.37/286,119.46 = 130,911.28/x
  3. Step 3: Cross multiply
    207,419.37x = 286,119.46 × 130,911.28
  4. Step 4: Simplify right side
    207,419.37x = 37,456,264,741.51
  5. Step 5: Solve for x
    x = 37,456,264,741.51/207,419.37
  6. Step 6: Final answer
    x = 180,582.29

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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.