Home / 124,031.60-186,047.40-113,145.20

Finding the Fourth Proportional to 124,031.60, 186,047.40 and 113,145.20

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Solution

The fourth proportional to 124,031.60, 186,047.40 and 113,145.20 is: 169,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,031.60 : 186,047.40 = 113,145.20 : x
  2. Step 2: Convert to fraction form
    124,031.60/186,047.40 = 113,145.20/x
  3. Step 3: Cross multiply
    124,031.60x = 186,047.40 × 113,145.20
  4. Step 4: Simplify right side
    124,031.60x = 21,050,370,282.48
  5. Step 5: Solve for x
    x = 21,050,370,282.48/124,031.60
  6. Step 6: Final answer
    x = 169,717.80

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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.