Home / 187,130.57-258,240.24-101,089.58

Finding the Fourth Proportional to 187,130.57, 258,240.24 and 101,089.58

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Solution

The fourth proportional to 187,130.57, 258,240.24 and 101,089.58 is: 139,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,130.57 : 258,240.24 = 101,089.58 : x
  2. Step 2: Convert to fraction form
    187,130.57/258,240.24 = 101,089.58/x
  3. Step 3: Cross multiply
    187,130.57x = 258,240.24 × 101,089.58
  4. Step 4: Simplify right side
    187,130.57x = 26,105,396,109.50
  5. Step 5: Solve for x
    x = 26,105,396,109.50/187,130.57
  6. Step 6: Final answer
    x = 139,503.65

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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.