Home / 165,078.90-247,618.35-155,237.40

Finding the Fourth Proportional to 165,078.90, 247,618.35 and 155,237.40

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Solution

The fourth proportional to 165,078.90, 247,618.35 and 155,237.40 is: 232,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,078.90 : 247,618.35 = 155,237.40 : x
  2. Step 2: Convert to fraction form
    165,078.90/247,618.35 = 155,237.40/x
  3. Step 3: Cross multiply
    165,078.90x = 247,618.35 × 155,237.40
  4. Step 4: Simplify right side
    165,078.90x = 38,439,628,846.29
  5. Step 5: Solve for x
    x = 38,439,628,846.29/165,078.90
  6. Step 6: Final answer
    x = 232,856.10

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1.5x scale

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.