Home / 187,267.80-280,972.62-112,440.24

Finding the Fourth Proportional to 187,267.80, 280,972.62 and 112,440.24

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Solution

The fourth proportional to 187,267.80, 280,972.62 and 112,440.24 is: 168,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,267.80 : 280,972.62 = 112,440.24 : x
  2. Step 2: Convert to fraction form
    187,267.80/280,972.62 = 112,440.24/x
  3. Step 3: Cross multiply
    187,267.80x = 280,972.62 × 112,440.24
  4. Step 4: Simplify right side
    187,267.80x = 31,592,628,826.23
  5. Step 5: Solve for x
    x = 31,592,628,826.23/187,267.80
  6. Step 6: Final answer
    x = 168,702.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.