Home / 162,258.39-223,917.06-90,641.13

Finding the Fourth Proportional to 162,258.39, 223,917.06 and 90,641.13

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Solution

The fourth proportional to 162,258.39, 223,917.06 and 90,641.13 is: 125,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258.39 : 223,917.06 = 90,641.13 : x
  2. Step 2: Convert to fraction form
    162,258.39/223,917.06 = 90,641.13/x
  3. Step 3: Cross multiply
    162,258.39x = 223,917.06 × 90,641.13
  4. Step 4: Simplify right side
    162,258.39x = 20,296,094,335.04
  5. Step 5: Solve for x
    x = 20,296,094,335.04/162,258.39
  6. Step 6: Final answer
    x = 125,085.02

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1.5x scale

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.