Home / 130,328.56-179,853.30-70,712.56

Finding the Fourth Proportional to 130,328.56, 179,853.30 and 70,712.56

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Solution

The fourth proportional to 130,328.56, 179,853.30 and 70,712.56 is: 97,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328.56 : 179,853.30 = 70,712.56 : x
  2. Step 2: Convert to fraction form
    130,328.56/179,853.30 = 70,712.56/x
  3. Step 3: Cross multiply
    130,328.56x = 179,853.30 × 70,712.56
  4. Step 4: Simplify right side
    130,328.56x = 12,717,887,267.45
  5. Step 5: Solve for x
    x = 12,717,887,267.45/130,328.56
  6. Step 6: Final answer
    x = 97,583.27

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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.