Home / 136,013.80-187,695.30-75,582.89

Finding the Fourth Proportional to 136,013.80, 187,695.30 and 75,582.89

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Solution

The fourth proportional to 136,013.80, 187,695.30 and 75,582.89 is: 104,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,013.80 : 187,695.30 = 75,582.89 : x
  2. Step 2: Convert to fraction form
    136,013.80/187,695.30 = 75,582.89/x
  3. Step 3: Cross multiply
    136,013.80x = 187,695.30 × 75,582.89
  4. Step 4: Simplify right side
    136,013.80x = 14,186,552,274.94
  5. Step 5: Solve for x
    x = 14,186,552,274.94/136,013.80
  6. Step 6: Final answer
    x = 104,302.30

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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.