Home / 162,289.32-223,963.83-90,677.22

Finding the Fourth Proportional to 162,289.32, 223,963.83 and 90,677.22

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Solution

The fourth proportional to 162,289.32, 223,963.83 and 90,677.22 is: 125,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.32 : 223,963.83 = 90,677.22 : x
  2. Step 2: Convert to fraction form
    162,289.32/223,963.83 = 90,677.22/x
  3. Step 3: Cross multiply
    162,289.32x = 223,963.83 × 90,677.22
  4. Step 4: Simplify right side
    162,289.32x = 20,308,417,484.95
  5. Step 5: Solve for x
    x = 20,308,417,484.95/162,289.32
  6. Step 6: Final answer
    x = 125,137.12

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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.