Home / 162,332.29-243,436.47-78,039.24

Finding the Fourth Proportional to 162,332.29, 243,436.47 and 78,039.24

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Solution

The fourth proportional to 162,332.29, 243,436.47 and 78,039.24 is: 117,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,332.29 : 243,436.47 = 78,039.24 : x
  2. Step 2: Convert to fraction form
    162,332.29/243,436.47 = 78,039.24/x
  3. Step 3: Cross multiply
    162,332.29x = 243,436.47 × 78,039.24
  4. Step 4: Simplify right side
    162,332.29x = 18,997,597,107.08
  5. Step 5: Solve for x
    x = 18,997,597,107.08/162,332.29
  6. Step 6: Final answer
    x = 117,029.07

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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.