Home / 152,182.38-210,084.90-101,279.82

Finding the Fourth Proportional to 152,182.38, 210,084.90 and 101,279.82

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Solution

The fourth proportional to 152,182.38, 210,084.90 and 101,279.82 is: 139,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,182.38 : 210,084.90 = 101,279.82 : x
  2. Step 2: Convert to fraction form
    152,182.38/210,084.90 = 101,279.82/x
  3. Step 3: Cross multiply
    152,182.38x = 210,084.90 × 101,279.82
  4. Step 4: Simplify right side
    152,182.38x = 21,277,360,856.72
  5. Step 5: Solve for x
    x = 21,277,360,856.72/152,182.38
  6. Step 6: Final answer
    x = 139,814.88

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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.