Home / 101,327.06-139,827-56,002.70

Finding the Fourth Proportional to 101,327.06, 139,827 and 56,002.70

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Solution

The fourth proportional to 101,327.06, 139,827 and 56,002.70 is: 77,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,327.06 : 139,827 = 56,002.70 : x
  2. Step 2: Convert to fraction form
    101,327.06/139,827 = 56,002.70/x
  3. Step 3: Cross multiply
    101,327.06x = 139,827 × 56,002.70
  4. Step 4: Simplify right side
    101,327.06x = 7,830,689,532.90
  5. Step 5: Solve for x
    x = 7,830,689,532.90/101,327.06
  6. Step 6: Final answer
    x = 77,281.33

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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.