Home / 189,790.40-284,588.75-63,385.10

Finding the Fourth Proportional to 189,790.40, 284,588.75 and 63,385.10

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Solution

The fourth proportional to 189,790.40, 284,588.75 and 63,385.10 is: 95,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,790.40 : 284,588.75 = 63,385.10 : x
  2. Step 2: Convert to fraction form
    189,790.40/284,588.75 = 63,385.10/x
  3. Step 3: Cross multiply
    189,790.40x = 284,588.75 × 63,385.10
  4. Step 4: Simplify right side
    189,790.40x = 18,038,685,113.14
  5. Step 5: Solve for x
    x = 18,038,685,113.14/189,790.40
  6. Step 6: Final answer
    x = 95,045.30

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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.