Home / 98,258.34-135,592.60-55,812.18

Finding the Fourth Proportional to 98,258.34, 135,592.60 and 55,812.18

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Solution

The fourth proportional to 98,258.34, 135,592.60 and 55,812.18 is: 77,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,258.34 : 135,592.60 = 55,812.18 : x
  2. Step 2: Convert to fraction form
    98,258.34/135,592.60 = 55,812.18/x
  3. Step 3: Cross multiply
    98,258.34x = 135,592.60 × 55,812.18
  4. Step 4: Simplify right side
    98,258.34x = 7,567,718,597.87
  5. Step 5: Solve for x
    x = 7,567,718,597.87/98,258.34
  6. Step 6: Final answer
    x = 77,018.59

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1.5x scale

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.