Home / 153,283.60-211,568.52-102,298.96

Finding the Fourth Proportional to 153,283.60, 211,568.52 and 102,298.96

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Solution

The fourth proportional to 153,283.60, 211,568.52 and 102,298.96 is: 141,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,283.60 : 211,568.52 = 102,298.96 : x
  2. Step 2: Convert to fraction form
    153,283.60/211,568.52 = 102,298.96/x
  3. Step 3: Cross multiply
    153,283.60x = 211,568.52 × 102,298.96
  4. Step 4: Simplify right side
    153,283.60x = 21,643,239,564.74
  5. Step 5: Solve for x
    x = 21,643,239,564.74/153,283.60
  6. Step 6: Final answer
    x = 141,197.36

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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.