Home / 130,272.22-179,762.96-72,908.12

Finding the Fourth Proportional to 130,272.22, 179,762.96 and 72,908.12

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Solution

The fourth proportional to 130,272.22, 179,762.96 and 72,908.12 is: 100,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,272.22 : 179,762.96 = 72,908.12 : x
  2. Step 2: Convert to fraction form
    130,272.22/179,762.96 = 72,908.12/x
  3. Step 3: Cross multiply
    130,272.22x = 179,762.96 × 72,908.12
  4. Step 4: Simplify right side
    130,272.22x = 13,106,180,090.91
  5. Step 5: Solve for x
    x = 13,106,180,090.91/130,272.22
  6. Step 6: Final answer
    x = 100,606.10

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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.