Home / 176,918.40-264,988.80-157,219.20

Finding the Fourth Proportional to 176,918.40, 264,988.80 and 157,219.20

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Solution

The fourth proportional to 176,918.40, 264,988.80 and 157,219.20 is: 235,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,918.40 : 264,988.80 = 157,219.20 : x
  2. Step 2: Convert to fraction form
    176,918.40/264,988.80 = 157,219.20/x
  3. Step 3: Cross multiply
    176,918.40x = 264,988.80 × 157,219.20
  4. Step 4: Simplify right side
    176,918.40x = 41,661,327,144.96
  5. Step 5: Solve for x
    x = 41,661,327,144.96/176,918.40
  6. Step 6: Final answer
    x = 235,483.29

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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.