Home / 162,238.17-223,890.39-89,639.25

Finding the Fourth Proportional to 162,238.17, 223,890.39 and 89,639.25

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Solution

The fourth proportional to 162,238.17, 223,890.39 and 89,639.25 is: 123,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,238.17 : 223,890.39 = 89,639.25 : x
  2. Step 2: Convert to fraction form
    162,238.17/223,890.39 = 89,639.25/x
  3. Step 3: Cross multiply
    162,238.17x = 223,890.39 × 89,639.25
  4. Step 4: Simplify right side
    162,238.17x = 20,069,366,994.62
  5. Step 5: Solve for x
    x = 20,069,366,994.62/162,238.17
  6. Step 6: Final answer
    x = 123,703.12

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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.