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Finding the Fourth Proportional to 101,155.58, 139,583.88 and 58,126.35

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Solution

The fourth proportional to 101,155.58, 139,583.88 and 58,126.35 is: 80,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,155.58 : 139,583.88 = 58,126.35 : x
  2. Step 2: Convert to fraction form
    101,155.58/139,583.88 = 58,126.35/x
  3. Step 3: Cross multiply
    101,155.58x = 139,583.88 × 58,126.35
  4. Step 4: Simplify right side
    101,155.58x = 8,113,501,463.24
  5. Step 5: Solve for x
    x = 8,113,501,463.24/101,155.58
  6. Step 6: Final answer
    x = 80,208.15

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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.