Home / 210,968.28-291,081.69-124,928.91

Finding the Fourth Proportional to 210,968.28, 291,081.69 and 124,928.91

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Solution

The fourth proportional to 210,968.28, 291,081.69 and 124,928.91 is: 172,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,968.28 : 291,081.69 = 124,928.91 : x
  2. Step 2: Convert to fraction form
    210,968.28/291,081.69 = 124,928.91/x
  3. Step 3: Cross multiply
    210,968.28x = 291,081.69 × 124,928.91
  4. Step 4: Simplify right side
    210,968.28x = 36,364,518,252.66
  5. Step 5: Solve for x
    x = 36,364,518,252.66/210,968.28
  6. Step 6: Final answer
    x = 172,369.60

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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.