Home / 212,648.60-293,455.80-117,155.07

Finding the Fourth Proportional to 212,648.60, 293,455.80 and 117,155.07

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Solution

The fourth proportional to 212,648.60, 293,455.80 and 117,155.07 is: 161,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.60 : 293,455.80 = 117,155.07 : x
  2. Step 2: Convert to fraction form
    212,648.60/293,455.80 = 117,155.07/x
  3. Step 3: Cross multiply
    212,648.60x = 293,455.80 × 117,155.07
  4. Step 4: Simplify right side
    212,648.60x = 34,379,834,790.91
  5. Step 5: Solve for x
    x = 34,379,834,790.91/212,648.60
  6. Step 6: Final answer
    x = 161,674.40

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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.