Home / 130,358.30-179,801.50-119,637.72

Finding the Fourth Proportional to 130,358.30, 179,801.50 and 119,637.72

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Solution

The fourth proportional to 130,358.30, 179,801.50 and 119,637.72 is: 165,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,358.30 : 179,801.50 = 119,637.72 : x
  2. Step 2: Convert to fraction form
    130,358.30/179,801.50 = 119,637.72/x
  3. Step 3: Cross multiply
    130,358.30x = 179,801.50 × 119,637.72
  4. Step 4: Simplify right side
    130,358.30x = 21,511,041,512.58
  5. Step 5: Solve for x
    x = 21,511,041,512.58/130,358.30
  6. Step 6: Final answer
    x = 165,014.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.