Home / 130,104.90-179,490.36-101,374.67

Finding the Fourth Proportional to 130,104.90, 179,490.36 and 101,374.67

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Solution

The fourth proportional to 130,104.90, 179,490.36 and 101,374.67 is: 139,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.90 : 179,490.36 = 101,374.67 : x
  2. Step 2: Convert to fraction form
    130,104.90/179,490.36 = 101,374.67/x
  3. Step 3: Cross multiply
    130,104.90x = 179,490.36 × 101,374.67
  4. Step 4: Simplify right side
    130,104.90x = 18,195,775,115.73
  5. Step 5: Solve for x
    x = 18,195,775,115.73/130,104.90
  6. Step 6: Final answer
    x = 139,854.65

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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.