Home / 151,420.79-227,134.83-72,448.22

Finding the Fourth Proportional to 151,420.79, 227,134.83 and 72,448.22

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Solution

The fourth proportional to 151,420.79, 227,134.83 and 72,448.22 is: 108,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,420.79 : 227,134.83 = 72,448.22 : x
  2. Step 2: Convert to fraction form
    151,420.79/227,134.83 = 72,448.22/x
  3. Step 3: Cross multiply
    151,420.79x = 227,134.83 × 72,448.22
  4. Step 4: Simplify right side
    151,420.79x = 16,455,514,973.02
  5. Step 5: Solve for x
    x = 16,455,514,973.02/151,420.79
  6. Step 6: Final answer
    x = 108,674.08

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1.5x scale

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.