Home / 101,017.72-139,402.26-58,580.20

Finding the Fourth Proportional to 101,017.72, 139,402.26 and 58,580.20

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Solution

The fourth proportional to 101,017.72, 139,402.26 and 58,580.20 is: 80,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,017.72 : 139,402.26 = 58,580.20 : x
  2. Step 2: Convert to fraction form
    101,017.72/139,402.26 = 58,580.20/x
  3. Step 3: Cross multiply
    101,017.72x = 139,402.26 × 58,580.20
  4. Step 4: Simplify right side
    101,017.72x = 8,166,212,271.25
  5. Step 5: Solve for x
    x = 8,166,212,271.25/101,017.72
  6. Step 6: Final answer
    x = 80,839.40

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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.