Home / 106,621.02-159,852.69-64,490.94

Finding the Fourth Proportional to 106,621.02, 159,852.69 and 64,490.94

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Solution

The fourth proportional to 106,621.02, 159,852.69 and 64,490.94 is: 96,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,621.02 : 159,852.69 = 64,490.94 : x
  2. Step 2: Convert to fraction form
    106,621.02/159,852.69 = 64,490.94/x
  3. Step 3: Cross multiply
    106,621.02x = 159,852.69 × 64,490.94
  4. Step 4: Simplify right side
    106,621.02x = 10,309,050,239.63
  5. Step 5: Solve for x
    x = 10,309,050,239.63/106,621.02
  6. Step 6: Final answer
    x = 96,688.72

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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.