Home / 165,316.90-228,139.59-89,867.02

Finding the Fourth Proportional to 165,316.90, 228,139.59 and 89,867.02

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Solution

The fourth proportional to 165,316.90, 228,139.59 and 89,867.02 is: 124,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,316.90 : 228,139.59 = 89,867.02 : x
  2. Step 2: Convert to fraction form
    165,316.90/228,139.59 = 89,867.02/x
  3. Step 3: Cross multiply
    165,316.90x = 228,139.59 × 89,867.02
  4. Step 4: Simplify right side
    165,316.90x = 20,502,225,097.32
  5. Step 5: Solve for x
    x = 20,502,225,097.32/165,316.90
  6. Step 6: Final answer
    x = 124,017.72

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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.