Home / 130,376.76-179,877.80-73,007.49

Finding the Fourth Proportional to 130,376.76, 179,877.80 and 73,007.49

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Solution

The fourth proportional to 130,376.76, 179,877.80 and 73,007.49 is: 100,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,376.76 : 179,877.80 = 73,007.49 : x
  2. Step 2: Convert to fraction form
    130,376.76/179,877.80 = 73,007.49/x
  3. Step 3: Cross multiply
    130,376.76x = 179,877.80 × 73,007.49
  4. Step 4: Simplify right side
    130,376.76x = 13,132,426,319.68
  5. Step 5: Solve for x
    x = 13,132,426,319.68/130,376.76
  6. Step 6: Final answer
    x = 100,726.74

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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.