Home / 130,199.60-179,676.23-75,784.07

Finding the Fourth Proportional to 130,199.60, 179,676.23 and 75,784.07

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Solution

The fourth proportional to 130,199.60, 179,676.23 and 75,784.07 is: 104,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.60 : 179,676.23 = 75,784.07 : x
  2. Step 2: Convert to fraction form
    130,199.60/179,676.23 = 75,784.07/x
  3. Step 3: Cross multiply
    130,199.60x = 179,676.23 × 75,784.07
  4. Step 4: Simplify right side
    130,199.60x = 13,616,596,061.93
  5. Step 5: Solve for x
    x = 13,616,596,061.93/130,199.60
  6. Step 6: Final answer
    x = 104,582.47

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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.