Home / 187,384.38-258,715.18-110,928.07

Finding the Fourth Proportional to 187,384.38, 258,715.18 and 110,928.07

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Solution

The fourth proportional to 187,384.38, 258,715.18 and 110,928.07 is: 153,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,384.38 : 258,715.18 = 110,928.07 : x
  2. Step 2: Convert to fraction form
    187,384.38/258,715.18 = 110,928.07/x
  3. Step 3: Cross multiply
    187,384.38x = 258,715.18 × 110,928.07
  4. Step 4: Simplify right side
    187,384.38x = 28,698,775,597.10
  5. Step 5: Solve for x
    x = 28,698,775,597.10/187,384.38
  6. Step 6: Final answer
    x = 153,154.58

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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.