Home / 130,135.50-179,587.26-70,519.50

Finding the Fourth Proportional to 130,135.50, 179,587.26 and 70,519.50

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Solution

The fourth proportional to 130,135.50, 179,587.26 and 70,519.50 is: 97,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135.50 : 179,587.26 = 70,519.50 : x
  2. Step 2: Convert to fraction form
    130,135.50/179,587.26 = 70,519.50/x
  3. Step 3: Cross multiply
    130,135.50x = 179,587.26 × 70,519.50
  4. Step 4: Simplify right side
    130,135.50x = 12,664,403,781.57
  5. Step 5: Solve for x
    x = 12,664,403,781.57/130,135.50
  6. Step 6: Final answer
    x = 97,317.06

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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.