Home / 187,345.59-258,567.53-139,266.87

Finding the Fourth Proportional to 187,345.59, 258,567.53 and 139,266.87

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Solution

The fourth proportional to 187,345.59, 258,567.53 and 139,266.87 is: 192,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.59 : 258,567.53 = 139,266.87 : x
  2. Step 2: Convert to fraction form
    187,345.59/258,567.53 = 139,266.87/x
  3. Step 3: Cross multiply
    187,345.59x = 258,567.53 × 139,266.87
  4. Step 4: Simplify right side
    187,345.59x = 36,009,889,890.40
  5. Step 5: Solve for x
    x = 36,009,889,890.40/187,345.59
  6. Step 6: Final answer
    x = 192,211.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.