Home / 157,405.35-235,925.09-89,984.63

Finding the Fourth Proportional to 157,405.35, 235,925.09 and 89,984.63

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Solution

The fourth proportional to 157,405.35, 235,925.09 and 89,984.63 is: 134,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,405.35 : 235,925.09 = 89,984.63 : x
  2. Step 2: Convert to fraction form
    157,405.35/235,925.09 = 89,984.63/x
  3. Step 3: Cross multiply
    157,405.35x = 235,925.09 × 89,984.63
  4. Step 4: Simplify right side
    157,405.35x = 21,229,631,931.37
  5. Step 5: Solve for x
    x = 21,229,631,931.37/157,405.35
  6. Step 6: Final answer
    x = 134,872.37

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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.