Home / 189,925.20-284,782.63-77,684.23

Finding the Fourth Proportional to 189,925.20, 284,782.63 and 77,684.23

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Solution

The fourth proportional to 189,925.20, 284,782.63 and 77,684.23 is: 116,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,925.20 : 284,782.63 = 77,684.23 : x
  2. Step 2: Convert to fraction form
    189,925.20/284,782.63 = 77,684.23/x
  3. Step 3: Cross multiply
    189,925.20x = 284,782.63 × 77,684.23
  4. Step 4: Simplify right side
    189,925.20x = 22,123,119,652.46
  5. Step 5: Solve for x
    x = 22,123,119,652.46/189,925.20
  6. Step 6: Final answer
    x = 116,483.33

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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.