Home / 122,040.28-182,318.23-78,995.02

Finding the Fourth Proportional to 122,040.28, 182,318.23 and 78,995.02

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Solution

The fourth proportional to 122,040.28, 182,318.23 and 78,995.02 is: 118,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,040.28 : 182,318.23 = 78,995.02 : x
  2. Step 2: Convert to fraction form
    122,040.28/182,318.23 = 78,995.02/x
  3. Step 3: Cross multiply
    122,040.28x = 182,318.23 × 78,995.02
  4. Step 4: Simplify right side
    122,040.28x = 14,402,232,225.21
  5. Step 5: Solve for x
    x = 14,402,232,225.21/122,040.28
  6. Step 6: Final answer
    x = 118,012.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.