Home / 86,402.28-119,189.64-59,498.16

Finding the Fourth Proportional to 86,402.28, 119,189.64 and 59,498.16

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Solution

The fourth proportional to 86,402.28, 119,189.64 and 59,498.16 is: 82,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402.28 : 119,189.64 = 59,498.16 : x
  2. Step 2: Convert to fraction form
    86,402.28/119,189.64 = 59,498.16/x
  3. Step 3: Cross multiply
    86,402.28x = 119,189.64 × 59,498.16
  4. Step 4: Simplify right side
    86,402.28x = 7,091,564,271.06
  5. Step 5: Solve for x
    x = 7,091,564,271.06/86,402.28
  6. Step 6: Final answer
    x = 82,076.12

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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.