Home / 199,564.08-299,402.28-87,254.16

Finding the Fourth Proportional to 199,564.08, 299,402.28 and 87,254.16

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Solution

The fourth proportional to 199,564.08, 299,402.28 and 87,254.16 is: 130,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,564.08 : 299,402.28 = 87,254.16 : x
  2. Step 2: Convert to fraction form
    199,564.08/299,402.28 = 87,254.16/x
  3. Step 3: Cross multiply
    199,564.08x = 299,402.28 × 87,254.16
  4. Step 4: Simplify right side
    199,564.08x = 26,124,094,443.48
  5. Step 5: Solve for x
    x = 26,124,094,443.48/199,564.08
  6. Step 6: Final answer
    x = 130,905.79

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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.