Home / 113,621.65-156,790.83-62,631.75

Finding the Fourth Proportional to 113,621.65, 156,790.83 and 62,631.75

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Solution

The fourth proportional to 113,621.65, 156,790.83 and 62,631.75 is: 86,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,621.65 : 156,790.83 = 62,631.75 : x
  2. Step 2: Convert to fraction form
    113,621.65/156,790.83 = 62,631.75/x
  3. Step 3: Cross multiply
    113,621.65x = 156,790.83 × 62,631.75
  4. Step 4: Simplify right side
    113,621.65x = 9,820,084,066.85
  5. Step 5: Solve for x
    x = 9,820,084,066.85/113,621.65
  6. Step 6: Final answer
    x = 86,427.93

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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.