Home / 130,741.28-180,426.54-73,384.16

Finding the Fourth Proportional to 130,741.28, 180,426.54 and 73,384.16

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Solution

The fourth proportional to 130,741.28, 180,426.54 and 73,384.16 is: 101,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,741.28 : 180,426.54 = 73,384.16 : x
  2. Step 2: Convert to fraction form
    130,741.28/180,426.54 = 73,384.16/x
  3. Step 3: Cross multiply
    130,741.28x = 180,426.54 × 73,384.16
  4. Step 4: Simplify right side
    130,741.28x = 13,240,449,177.47
  5. Step 5: Solve for x
    x = 13,240,449,177.47/130,741.28
  6. Step 6: Final answer
    x = 101,272.14

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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.