Home / 98,316.36-135,688.14-55,881.36

Finding the Fourth Proportional to 98,316.36, 135,688.14 and 55,881.36

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Solution

The fourth proportional to 98,316.36, 135,688.14 and 55,881.36 is: 77,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.36 : 135,688.14 = 55,881.36 : x
  2. Step 2: Convert to fraction form
    98,316.36/135,688.14 = 55,881.36/x
  3. Step 3: Cross multiply
    98,316.36x = 135,688.14 × 55,881.36
  4. Step 4: Simplify right side
    98,316.36x = 7,582,437,799.07
  5. Step 5: Solve for x
    x = 7,582,437,799.07/98,316.36
  6. Step 6: Final answer
    x = 77,122.85

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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.