Home / 145,001.04-217,519.56-51,507.60

Finding the Fourth Proportional to 145,001.04, 217,519.56 and 51,507.60

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Solution

The fourth proportional to 145,001.04, 217,519.56 and 51,507.60 is: 77,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,001.04 : 217,519.56 = 51,507.60 : x
  2. Step 2: Convert to fraction form
    145,001.04/217,519.56 = 51,507.60/x
  3. Step 3: Cross multiply
    145,001.04x = 217,519.56 × 51,507.60
  4. Step 4: Simplify right side
    145,001.04x = 11,203,910,488.66
  5. Step 5: Solve for x
    x = 11,203,910,488.66/145,001.04
  6. Step 6: Final answer
    x = 77,267.79

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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.