Home / 117,767.28-162,510.48-64,051.20

Finding the Fourth Proportional to 117,767.28, 162,510.48 and 64,051.20

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Solution

The fourth proportional to 117,767.28, 162,510.48 and 64,051.20 is: 88,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,767.28 : 162,510.48 = 64,051.20 : x
  2. Step 2: Convert to fraction form
    117,767.28/162,510.48 = 64,051.20/x
  3. Step 3: Cross multiply
    117,767.28x = 162,510.48 × 64,051.20
  4. Step 4: Simplify right side
    117,767.28x = 10,408,991,256.58
  5. Step 5: Solve for x
    x = 10,408,991,256.58/117,767.28
  6. Step 6: Final answer
    x = 88,386.11

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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.