Home / 130,188.48-179,659.68-70,572.48

Finding the Fourth Proportional to 130,188.48, 179,659.68 and 70,572.48

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Solution

The fourth proportional to 130,188.48, 179,659.68 and 70,572.48 is: 97,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,188.48 : 179,659.68 = 70,572.48 : x
  2. Step 2: Convert to fraction form
    130,188.48/179,659.68 = 70,572.48/x
  3. Step 3: Cross multiply
    130,188.48x = 179,659.68 × 70,572.48
  4. Step 4: Simplify right side
    130,188.48x = 12,679,029,173.61
  5. Step 5: Solve for x
    x = 12,679,029,173.61/130,188.48
  6. Step 6: Final answer
    x = 97,389.79

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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.