Home / 157,154.73-235,709.06-51,975.21

Finding the Fourth Proportional to 157,154.73, 235,709.06 and 51,975.21

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Solution

The fourth proportional to 157,154.73, 235,709.06 and 51,975.21 is: 77,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,154.73 : 235,709.06 = 51,975.21 : x
  2. Step 2: Convert to fraction form
    157,154.73/235,709.06 = 51,975.21/x
  3. Step 3: Cross multiply
    157,154.73x = 235,709.06 × 51,975.21
  4. Step 4: Simplify right side
    157,154.73x = 12,251,027,632.53
  5. Step 5: Solve for x
    x = 12,251,027,632.53/157,154.73
  6. Step 6: Final answer
    x = 77,955.20

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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.