Home / 157,488.84-236,343.96-142,431.35

Finding the Fourth Proportional to 157,488.84, 236,343.96 and 142,431.35

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Solution

The fourth proportional to 157,488.84, 236,343.96 and 142,431.35 is: 213,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,488.84 : 236,343.96 = 142,431.35 : x
  2. Step 2: Convert to fraction form
    157,488.84/236,343.96 = 142,431.35/x
  3. Step 3: Cross multiply
    157,488.84x = 236,343.96 × 142,431.35
  4. Step 4: Simplify right side
    157,488.84x = 33,662,788,105.43
  5. Step 5: Solve for x
    x = 33,662,788,105.43/157,488.84
  6. Step 6: Final answer
    x = 213,747.13

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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.