Home / 130,501.26-180,088.72-76,049.95

Finding the Fourth Proportional to 130,501.26, 180,088.72 and 76,049.95

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Solution

The fourth proportional to 130,501.26, 180,088.72 and 76,049.95 is: 104,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.26 : 180,088.72 = 76,049.95 : x
  2. Step 2: Convert to fraction form
    130,501.26/180,088.72 = 76,049.95/x
  3. Step 3: Cross multiply
    130,501.26x = 180,088.72 × 76,049.95
  4. Step 4: Simplify right side
    130,501.26x = 13,695,738,151.56
  5. Step 5: Solve for x
    x = 13,695,738,151.56/130,501.26
  6. Step 6: Final answer
    x = 104,947.17

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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.