Home / 375,432.24-563,142.40-91,125.15

Finding the Fourth Proportional to 375,432.24, 563,142.40 and 91,125.15

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Solution

The fourth proportional to 375,432.24, 563,142.40 and 91,125.15 is: 136,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,432.24 : 563,142.40 = 91,125.15 : x
  2. Step 2: Convert to fraction form
    375,432.24/563,142.40 = 91,125.15/x
  3. Step 3: Cross multiply
    375,432.24x = 563,142.40 × 91,125.15
  4. Step 4: Simplify right side
    375,432.24x = 51,316,435,671.36
  5. Step 5: Solve for x
    x = 51,316,435,671.36/375,432.24
  6. Step 6: Final answer
    x = 136,686.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.