Home / 135,287.40-202,931.10-97,962.60

Finding the Fourth Proportional to 135,287.40, 202,931.10 and 97,962.60

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Solution

The fourth proportional to 135,287.40, 202,931.10 and 97,962.60 is: 146,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,287.40 : 202,931.10 = 97,962.60 : x
  2. Step 2: Convert to fraction form
    135,287.40/202,931.10 = 97,962.60/x
  3. Step 3: Cross multiply
    135,287.40x = 202,931.10 × 97,962.60
  4. Step 4: Simplify right side
    135,287.40x = 19,879,658,176.86
  5. Step 5: Solve for x
    x = 19,879,658,176.86/135,287.40
  6. Step 6: Final answer
    x = 146,943.90

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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.