Home / 121,345.36-182,100.04-42,460.26

Finding the Fourth Proportional to 121,345.36, 182,100.04 and 42,460.26

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Solution

The fourth proportional to 121,345.36, 182,100.04 and 42,460.26 is: 63,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,345.36 : 182,100.04 = 42,460.26 : x
  2. Step 2: Convert to fraction form
    121,345.36/182,100.04 = 42,460.26/x
  3. Step 3: Cross multiply
    121,345.36x = 182,100.04 × 42,460.26
  4. Step 4: Simplify right side
    121,345.36x = 7,732,015,044.41
  5. Step 5: Solve for x
    x = 7,732,015,044.41/121,345.36
  6. Step 6: Final answer
    x = 63,719.08

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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.