Home / 130,350.81-179,884.12-70,734.81

Finding the Fourth Proportional to 130,350.81, 179,884.12 and 70,734.81

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Solution

The fourth proportional to 130,350.81, 179,884.12 and 70,734.81 is: 97,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,350.81 : 179,884.12 = 70,734.81 : x
  2. Step 2: Convert to fraction form
    130,350.81/179,884.12 = 70,734.81/x
  3. Step 3: Cross multiply
    130,350.81x = 179,884.12 × 70,734.81
  4. Step 4: Simplify right side
    130,350.81x = 12,724,069,676.76
  5. Step 5: Solve for x
    x = 12,724,069,676.76/130,350.81
  6. Step 6: Final answer
    x = 97,614.04

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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.