Home / 130,350.72-179,883.36-70,734.72

Finding the Fourth Proportional to 130,350.72, 179,883.36 and 70,734.72

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Solution

The fourth proportional to 130,350.72, 179,883.36 and 70,734.72 is: 97,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,350.72 : 179,883.36 = 70,734.72 : x
  2. Step 2: Convert to fraction form
    130,350.72/179,883.36 = 70,734.72/x
  3. Step 3: Cross multiply
    130,350.72x = 179,883.36 × 70,734.72
  4. Step 4: Simplify right side
    130,350.72x = 12,723,999,102.26
  5. Step 5: Solve for x
    x = 12,723,999,102.26/130,350.72
  6. Step 6: Final answer
    x = 97,613.57

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1.5x scale

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.