Home / 102,327.92-141,216.76-57,005.87

Finding the Fourth Proportional to 102,327.92, 141,216.76 and 57,005.87

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Solution

The fourth proportional to 102,327.92, 141,216.76 and 57,005.87 is: 78,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,327.92 : 141,216.76 = 57,005.87 : x
  2. Step 2: Convert to fraction form
    102,327.92/141,216.76 = 57,005.87/x
  3. Step 3: Cross multiply
    102,327.92x = 141,216.76 × 57,005.87
  4. Step 4: Simplify right side
    102,327.92x = 8,050,184,686.68
  5. Step 5: Solve for x
    x = 8,050,184,686.68/102,327.92
  6. Step 6: Final answer
    x = 78,670.47

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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.