Home / 121,347.37-182,103.03-42,462.28

Finding the Fourth Proportional to 121,347.37, 182,103.03 and 42,462.28

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Solution

The fourth proportional to 121,347.37, 182,103.03 and 42,462.28 is: 63,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,347.37 : 182,103.03 = 42,462.28 : x
  2. Step 2: Convert to fraction form
    121,347.37/182,103.03 = 42,462.28/x
  3. Step 3: Cross multiply
    121,347.37x = 182,103.03 × 42,462.28
  4. Step 4: Simplify right side
    121,347.37x = 7,732,509,848.71
  5. Step 5: Solve for x
    x = 7,732,509,848.71/121,347.37
  6. Step 6: Final answer
    x = 63,722.10

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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.