Home / 191,109.60-286,664.40-164,865.60

Finding the Fourth Proportional to 191,109.60, 286,664.40 and 164,865.60

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Solution

The fourth proportional to 191,109.60, 286,664.40 and 164,865.60 is: 247,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,109.60 : 286,664.40 = 164,865.60 : x
  2. Step 2: Convert to fraction form
    191,109.60/286,664.40 = 164,865.60/x
  3. Step 3: Cross multiply
    191,109.60x = 286,664.40 × 164,865.60
  4. Step 4: Simplify right side
    191,109.60x = 47,261,098,304.64
  5. Step 5: Solve for x
    x = 47,261,098,304.64/191,109.60
  6. Step 6: Final answer
    x = 247,298.40

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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.