Home / 124,090.34-186,064.89-84,695.18

Finding the Fourth Proportional to 124,090.34, 186,064.89 and 84,695.18

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Solution

The fourth proportional to 124,090.34, 186,064.89 and 84,695.18 is: 126,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,090.34 : 186,064.89 = 84,695.18 : x
  2. Step 2: Convert to fraction form
    124,090.34/186,064.89 = 84,695.18/x
  3. Step 3: Cross multiply
    124,090.34x = 186,064.89 × 84,695.18
  4. Step 4: Simplify right side
    124,090.34x = 15,758,799,350.23
  5. Step 5: Solve for x
    x = 15,758,799,350.23/124,090.34
  6. Step 6: Final answer
    x = 126,994.57

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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.