Home / 187,193.60-280,790.40-45,038.88

Finding the Fourth Proportional to 187,193.60, 280,790.40 and 45,038.88

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Solution

The fourth proportional to 187,193.60, 280,790.40 and 45,038.88 is: 67,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,193.60 : 280,790.40 = 45,038.88 : x
  2. Step 2: Convert to fraction form
    187,193.60/280,790.40 = 45,038.88/x
  3. Step 3: Cross multiply
    187,193.60x = 280,790.40 × 45,038.88
  4. Step 4: Simplify right side
    187,193.60x = 12,646,483,501.61
  5. Step 5: Solve for x
    x = 12,646,483,501.61/187,193.60
  6. Step 6: Final answer
    x = 67,558.31

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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.