Home / 121,822.63-182,746.48-45,985.05

Finding the Fourth Proportional to 121,822.63, 182,746.48 and 45,985.05

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Solution

The fourth proportional to 121,822.63, 182,746.48 and 45,985.05 is: 68,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,822.63 : 182,746.48 = 45,985.05 : x
  2. Step 2: Convert to fraction form
    121,822.63/182,746.48 = 45,985.05/x
  3. Step 3: Cross multiply
    121,822.63x = 182,746.48 × 45,985.05
  4. Step 4: Simplify right side
    121,822.63x = 8,403,605,106.39
  5. Step 5: Solve for x
    x = 8,403,605,106.39/121,822.63
  6. Step 6: Final answer
    x = 68,982.30

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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.