Home / 125,097.48-187,647.80-40,856.94

Finding the Fourth Proportional to 125,097.48, 187,647.80 and 40,856.94

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Solution

The fourth proportional to 125,097.48, 187,647.80 and 40,856.94 is: 61,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,097.48 : 187,647.80 = 40,856.94 : x
  2. Step 2: Convert to fraction form
    125,097.48/187,647.80 = 40,856.94/x
  3. Step 3: Cross multiply
    125,097.48x = 187,647.80 × 40,856.94
  4. Step 4: Simplify right side
    125,097.48x = 7,666,714,701.45
  5. Step 5: Solve for x
    x = 7,666,714,701.45/125,097.48
  6. Step 6: Final answer
    x = 61,285.92

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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.