Home / 101,021.07-139,399.56-58,575

Finding the Fourth Proportional to 101,021.07, 139,399.56 and 58,575

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Solution

The fourth proportional to 101,021.07, 139,399.56 and 58,575 is: 80,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,021.07 : 139,399.56 = 58,575 : x
  2. Step 2: Convert to fraction form
    101,021.07/139,399.56 = 58,575/x
  3. Step 3: Cross multiply
    101,021.07x = 139,399.56 × 58,575
  4. Step 4: Simplify right side
    101,021.07x = 8,165,329,227
  5. Step 5: Solve for x
    x = 8,165,329,227/101,021.07
  6. Step 6: Final answer
    x = 80,827.98

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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.