Home / 122,071.48-182,959.34-51,803.20

Finding the Fourth Proportional to 122,071.48, 182,959.34 and 51,803.20

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Solution

The fourth proportional to 122,071.48, 182,959.34 and 51,803.20 is: 77,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,071.48 : 182,959.34 = 51,803.20 : x
  2. Step 2: Convert to fraction form
    122,071.48/182,959.34 = 51,803.20/x
  3. Step 3: Cross multiply
    122,071.48x = 182,959.34 × 51,803.20
  4. Step 4: Simplify right side
    122,071.48x = 9,477,879,281.89
  5. Step 5: Solve for x
    x = 9,477,879,281.89/122,071.48
  6. Step 6: Final answer
    x = 77,642.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.