Home / 124,527.20-186,917.90-91,148.10

Finding the Fourth Proportional to 124,527.20, 186,917.90 and 91,148.10

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Solution

The fourth proportional to 124,527.20, 186,917.90 and 91,148.10 is: 136,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,527.20 : 186,917.90 = 91,148.10 : x
  2. Step 2: Convert to fraction form
    124,527.20/186,917.90 = 91,148.10/x
  3. Step 3: Cross multiply
    124,527.20x = 186,917.90 × 91,148.10
  4. Step 4: Simplify right side
    124,527.20x = 17,037,210,985.25
  5. Step 5: Solve for x
    x = 17,037,210,985.25/124,527.20
  6. Step 6: Final answer
    x = 136,815.18

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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.