Home / 129,807.95-179,134.67-73,218.92

Finding the Fourth Proportional to 129,807.95, 179,134.67 and 73,218.92

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Solution

The fourth proportional to 129,807.95, 179,134.67 and 73,218.92 is: 101,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807.95 : 179,134.67 = 73,218.92 : x
  2. Step 2: Convert to fraction form
    129,807.95/179,134.67 = 73,218.92/x
  3. Step 3: Cross multiply
    129,807.95x = 179,134.67 × 73,218.92
  4. Step 4: Simplify right side
    129,807.95x = 13,116,046,359.33
  5. Step 5: Solve for x
    x = 13,116,046,359.33/129,807.95
  6. Step 6: Final answer
    x = 101,041.94

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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.