Home / 139,514.10-209,271.15-97,523.70

Finding the Fourth Proportional to 139,514.10, 209,271.15 and 97,523.70

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Solution

The fourth proportional to 139,514.10, 209,271.15 and 97,523.70 is: 146,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,514.10 : 209,271.15 = 97,523.70 : x
  2. Step 2: Convert to fraction form
    139,514.10/209,271.15 = 97,523.70/x
  3. Step 3: Cross multiply
    139,514.10x = 209,271.15 × 97,523.70
  4. Step 4: Simplify right side
    139,514.10x = 20,408,896,851.26
  5. Step 5: Solve for x
    x = 20,408,896,851.26/139,514.10
  6. Step 6: Final answer
    x = 146,285.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.