Home / 187,580.07-258,860.50-102,697.13

Finding the Fourth Proportional to 187,580.07, 258,860.50 and 102,697.13

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Solution

The fourth proportional to 187,580.07, 258,860.50 and 102,697.13 is: 141,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,580.07 : 258,860.50 = 102,697.13 : x
  2. Step 2: Convert to fraction form
    187,580.07/258,860.50 = 102,697.13/x
  3. Step 3: Cross multiply
    187,580.07x = 258,860.50 × 102,697.13
  4. Step 4: Simplify right side
    187,580.07x = 26,584,230,810.77
  5. Step 5: Solve for x
    x = 26,584,230,810.77/187,580.07
  6. Step 6: Final answer
    x = 141,722.04

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1.5x scale

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.