Home / 143,875.52-198,673.58-90,252.70

Finding the Fourth Proportional to 143,875.52, 198,673.58 and 90,252.70

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Solution

The fourth proportional to 143,875.52, 198,673.58 and 90,252.70 is: 124,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,875.52 : 198,673.58 = 90,252.70 : x
  2. Step 2: Convert to fraction form
    143,875.52/198,673.58 = 90,252.70/x
  3. Step 3: Cross multiply
    143,875.52x = 198,673.58 × 90,252.70
  4. Step 4: Simplify right side
    143,875.52x = 17,930,827,013.67
  5. Step 5: Solve for x
    x = 17,930,827,013.67/143,875.52
  6. Step 6: Final answer
    x = 124,627.37

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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.