Home / 152,925.68-210,964.18-107,628.80

Finding the Fourth Proportional to 152,925.68, 210,964.18 and 107,628.80

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Solution

The fourth proportional to 152,925.68, 210,964.18 and 107,628.80 is: 148,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,925.68 : 210,964.18 = 107,628.80 : x
  2. Step 2: Convert to fraction form
    152,925.68/210,964.18 = 107,628.80/x
  3. Step 3: Cross multiply
    152,925.68x = 210,964.18 × 107,628.80
  4. Step 4: Simplify right side
    152,925.68x = 22,705,821,536.38
  5. Step 5: Solve for x
    x = 22,705,821,536.38/152,925.68
  6. Step 6: Final answer
    x = 148,476.18

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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.