Home / 208,125.02-312,187.30-58,387.48

Finding the Fourth Proportional to 208,125.02, 312,187.30 and 58,387.48

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Solution

The fourth proportional to 208,125.02, 312,187.30 and 58,387.48 is: 87,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,125.02 : 312,187.30 = 58,387.48 : x
  2. Step 2: Convert to fraction form
    208,125.02/312,187.30 = 58,387.48/x
  3. Step 3: Cross multiply
    208,125.02x = 312,187.30 × 58,387.48
  4. Step 4: Simplify right side
    208,125.02x = 18,227,828,808.57
  5. Step 5: Solve for x
    x = 18,227,828,808.57/208,125.02
  6. Step 6: Final answer
    x = 87,581.15

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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.