Home / 130,832.22-180,501.22-74,210.79

Finding the Fourth Proportional to 130,832.22, 180,501.22 and 74,210.79

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Solution

The fourth proportional to 130,832.22, 180,501.22 and 74,210.79 is: 102,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832.22 : 180,501.22 = 74,210.79 : x
  2. Step 2: Convert to fraction form
    130,832.22/180,501.22 = 74,210.79/x
  3. Step 3: Cross multiply
    130,832.22x = 180,501.22 × 74,210.79
  4. Step 4: Simplify right side
    130,832.22x = 13,395,138,132.16
  5. Step 5: Solve for x
    x = 13,395,138,132.16/130,832.22
  6. Step 6: Final answer
    x = 102,384.09

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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.