Home / 97,270.40-145,819.20-57,785.60

Finding the Fourth Proportional to 97,270.40, 145,819.20 and 57,785.60

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Solution

The fourth proportional to 97,270.40, 145,819.20 and 57,785.60 is: 86,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,270.40 : 145,819.20 = 57,785.60 : x
  2. Step 2: Convert to fraction form
    97,270.40/145,819.20 = 57,785.60/x
  3. Step 3: Cross multiply
    97,270.40x = 145,819.20 × 57,785.60
  4. Step 4: Simplify right side
    97,270.40x = 8,426,249,963.52
  5. Step 5: Solve for x
    x = 8,426,249,963.52/97,270.40
  6. Step 6: Final answer
    x = 86,627.07

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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.