Home / 152,956.10-211,079.23-84,979.35

Finding the Fourth Proportional to 152,956.10, 211,079.23 and 84,979.35

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Solution

The fourth proportional to 152,956.10, 211,079.23 and 84,979.35 is: 117,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956.10 : 211,079.23 = 84,979.35 : x
  2. Step 2: Convert to fraction form
    152,956.10/211,079.23 = 84,979.35/x
  3. Step 3: Cross multiply
    152,956.10x = 211,079.23 × 84,979.35
  4. Step 4: Simplify right side
    152,956.10x = 17,937,375,763.90
  5. Step 5: Solve for x
    x = 17,937,375,763.90/152,956.10
  6. Step 6: Final answer
    x = 117,271.40

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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.