Home / 425,026.80-637,387.03-140,664.82

Finding the Fourth Proportional to 425,026.80, 637,387.03 and 140,664.82

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Solution

The fourth proportional to 425,026.80, 637,387.03 and 140,664.82 is: 210,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,026.80 : 637,387.03 = 140,664.82 : x
  2. Step 2: Convert to fraction form
    425,026.80/637,387.03 = 140,664.82/x
  3. Step 3: Cross multiply
    425,026.80x = 637,387.03 × 140,664.82
  4. Step 4: Simplify right side
    425,026.80x = 89,657,931,845.28
  5. Step 5: Solve for x
    x = 89,657,931,845.28/425,026.80
  6. Step 6: Final answer
    x = 210,946.54

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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.