Home / 124,637.09-186,980.28-45,752

Finding the Fourth Proportional to 124,637.09, 186,980.28 and 45,752

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Solution

The fourth proportional to 124,637.09, 186,980.28 and 45,752 is: 68,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,637.09 : 186,980.28 = 45,752 : x
  2. Step 2: Convert to fraction form
    124,637.09/186,980.28 = 45,752/x
  3. Step 3: Cross multiply
    124,637.09x = 186,980.28 × 45,752
  4. Step 4: Simplify right side
    124,637.09x = 8,554,721,770.56
  5. Step 5: Solve for x
    x = 8,554,721,770.56/124,637.09
  6. Step 6: Final answer
    x = 68,637.05

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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.