Home / 98,996.98-136,623.72-55,985.53

Finding the Fourth Proportional to 98,996.98, 136,623.72 and 55,985.53

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Solution

The fourth proportional to 98,996.98, 136,623.72 and 55,985.53 is: 77,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996.98 : 136,623.72 = 55,985.53 : x
  2. Step 2: Convert to fraction form
    98,996.98/136,623.72 = 55,985.53/x
  3. Step 3: Cross multiply
    98,996.98x = 136,623.72 × 55,985.53
  4. Step 4: Simplify right side
    98,996.98x = 7,648,951,374.77
  5. Step 5: Solve for x
    x = 7,648,951,374.77/98,996.98
  6. Step 6: Final answer
    x = 77,264.49

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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.