Home / 219,459.15-302,853.62-118,857.15

Finding the Fourth Proportional to 219,459.15, 302,853.62 and 118,857.15

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Solution

The fourth proportional to 219,459.15, 302,853.62 and 118,857.15 is: 164,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,459.15 : 302,853.62 = 118,857.15 : x
  2. Step 2: Convert to fraction form
    219,459.15/302,853.62 = 118,857.15/x
  3. Step 3: Cross multiply
    219,459.15x = 302,853.62 × 118,857.15
  4. Step 4: Simplify right side
    219,459.15x = 35,996,318,437.53
  5. Step 5: Solve for x
    x = 35,996,318,437.53/219,459.15
  6. Step 6: Final answer
    x = 164,022.86

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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.