Home / 117,972.95-162,802.89-64,257.80

Finding the Fourth Proportional to 117,972.95, 162,802.89 and 64,257.80

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Solution

The fourth proportional to 117,972.95, 162,802.89 and 64,257.80 is: 88,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,972.95 : 162,802.89 = 64,257.80 : x
  2. Step 2: Convert to fraction form
    117,972.95/162,802.89 = 64,257.80/x
  3. Step 3: Cross multiply
    117,972.95x = 162,802.89 × 64,257.80
  4. Step 4: Simplify right side
    117,972.95x = 10,461,354,731.03
  5. Step 5: Solve for x
    x = 10,461,354,731.03/117,972.95
  6. Step 6: Final answer
    x = 88,675.88

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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.