Home / 152,407.45-228,602.38-45,789.12

Finding the Fourth Proportional to 152,407.45, 228,602.38 and 45,789.12

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Solution

The fourth proportional to 152,407.45, 228,602.38 and 45,789.12 is: 68,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.45 : 228,602.38 = 45,789.12 : x
  2. Step 2: Convert to fraction form
    152,407.45/228,602.38 = 45,789.12/x
  3. Step 3: Cross multiply
    152,407.45x = 228,602.38 × 45,789.12
  4. Step 4: Simplify right side
    152,407.45x = 10,467,501,810.11
  5. Step 5: Solve for x
    x = 10,467,501,810.11/152,407.45
  6. Step 6: Final answer
    x = 68,681.04

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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.