Home / 187,835.40-282,044.70-109,103.40

Finding the Fourth Proportional to 187,835.40, 282,044.70 and 109,103.40

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Solution

The fourth proportional to 187,835.40, 282,044.70 and 109,103.40 is: 163,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,835.40 : 282,044.70 = 109,103.40 : x
  2. Step 2: Convert to fraction form
    187,835.40/282,044.70 = 109,103.40/x
  3. Step 3: Cross multiply
    187,835.40x = 282,044.70 × 109,103.40
  4. Step 4: Simplify right side
    187,835.40x = 30,772,035,721.98
  5. Step 5: Solve for x
    x = 30,772,035,721.98/187,835.40
  6. Step 6: Final answer
    x = 163,824.47

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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.