Home / 157,631.60-236,447.40-144,729.20

Finding the Fourth Proportional to 157,631.60, 236,447.40 and 144,729.20

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Solution

The fourth proportional to 157,631.60, 236,447.40 and 144,729.20 is: 217,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,631.60 : 236,447.40 = 144,729.20 : x
  2. Step 2: Convert to fraction form
    157,631.60/236,447.40 = 144,729.20/x
  3. Step 3: Cross multiply
    157,631.60x = 236,447.40 × 144,729.20
  4. Step 4: Simplify right side
    157,631.60x = 34,220,843,044.08
  5. Step 5: Solve for x
    x = 34,220,843,044.08/157,631.60
  6. Step 6: Final answer
    x = 217,093.80

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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.