Home / 145,258.56-217,971.36-61,011.36

Finding the Fourth Proportional to 145,258.56, 217,971.36 and 61,011.36

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Solution

The fourth proportional to 145,258.56, 217,971.36 and 61,011.36 is: 91,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,258.56 : 217,971.36 = 61,011.36 : x
  2. Step 2: Convert to fraction form
    145,258.56/217,971.36 = 61,011.36/x
  3. Step 3: Cross multiply
    145,258.56x = 217,971.36 × 61,011.36
  4. Step 4: Simplify right side
    145,258.56x = 13,298,729,114.65
  5. Step 5: Solve for x
    x = 13,298,729,114.65/145,258.56
  6. Step 6: Final answer
    x = 91,552.12

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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.