Home / 161,515.20-242,283.60-54,897.60

Finding the Fourth Proportional to 161,515.20, 242,283.60 and 54,897.60

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Solution

The fourth proportional to 161,515.20, 242,283.60 and 54,897.60 is: 82,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,515.20 : 242,283.60 = 54,897.60 : x
  2. Step 2: Convert to fraction form
    161,515.20/242,283.60 = 54,897.60/x
  3. Step 3: Cross multiply
    161,515.20x = 242,283.60 × 54,897.60
  4. Step 4: Simplify right side
    161,515.20x = 13,300,788,159.36
  5. Step 5: Solve for x
    x = 13,300,788,159.36/161,515.20
  6. Step 6: Final answer
    x = 82,350.07

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1.5x scale

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.