Home / 202,960.40-280,081.16-112,316.30

Finding the Fourth Proportional to 202,960.40, 280,081.16 and 112,316.30

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Solution

The fourth proportional to 202,960.40, 280,081.16 and 112,316.30 is: 154,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,960.40 : 280,081.16 = 112,316.30 : x
  2. Step 2: Convert to fraction form
    202,960.40/280,081.16 = 112,316.30/x
  3. Step 3: Cross multiply
    202,960.40x = 280,081.16 × 112,316.30
  4. Step 4: Simplify right side
    202,960.40x = 31,457,679,590.91
  5. Step 5: Solve for x
    x = 31,457,679,590.91/202,960.40
  6. Step 6: Final answer
    x = 154,994.17

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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.