Home / 127,758.48-176,306.64-70,398.60

Finding the Fourth Proportional to 127,758.48, 176,306.64 and 70,398.60

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Solution

The fourth proportional to 127,758.48, 176,306.64 and 70,398.60 is: 97,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,758.48 : 176,306.64 = 70,398.60 : x
  2. Step 2: Convert to fraction form
    127,758.48/176,306.64 = 70,398.60/x
  3. Step 3: Cross multiply
    127,758.48x = 176,306.64 × 70,398.60
  4. Step 4: Simplify right side
    127,758.48x = 12,411,740,626.70
  5. Step 5: Solve for x
    x = 12,411,740,626.70/127,758.48
  6. Step 6: Final answer
    x = 97,150.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.