Home / 101,823.62-140,514.46-56,501.21

Finding the Fourth Proportional to 101,823.62, 140,514.46 and 56,501.21

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Solution

The fourth proportional to 101,823.62, 140,514.46 and 56,501.21 is: 77,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,823.62 : 140,514.46 = 56,501.21 : x
  2. Step 2: Convert to fraction form
    101,823.62/140,514.46 = 56,501.21/x
  3. Step 3: Cross multiply
    101,823.62x = 140,514.46 × 56,501.21
  4. Step 4: Simplify right side
    101,823.62x = 7,939,237,222.53
  5. Step 5: Solve for x
    x = 7,939,237,222.53/101,823.62
  6. Step 6: Final answer
    x = 77,970.49

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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.