Home / 502,156.02-753,256.80-142,352.61

Finding the Fourth Proportional to 502,156.02, 753,256.80 and 142,352.61

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Solution

The fourth proportional to 502,156.02, 753,256.80 and 142,352.61 is: 213,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,156.02 : 753,256.80 = 142,352.61 : x
  2. Step 2: Convert to fraction form
    502,156.02/753,256.80 = 142,352.61/x
  3. Step 3: Cross multiply
    502,156.02x = 753,256.80 × 142,352.61
  4. Step 4: Simplify right side
    502,156.02x = 107,228,071,480.25
  5. Step 5: Solve for x
    x = 107,228,071,480.25/502,156.02
  6. Step 6: Final answer
    x = 213,535.37

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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.