Home / 119,310.70-164,649.83-64,862.98

Finding the Fourth Proportional to 119,310.70, 164,649.83 and 64,862.98

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Solution

The fourth proportional to 119,310.70, 164,649.83 and 64,862.98 is: 89,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,310.70 : 164,649.83 = 64,862.98 : x
  2. Step 2: Convert to fraction form
    119,310.70/164,649.83 = 64,862.98/x
  3. Step 3: Cross multiply
    119,310.70x = 164,649.83 × 64,862.98
  4. Step 4: Simplify right side
    119,310.70x = 10,679,678,630.29
  5. Step 5: Solve for x
    x = 10,679,678,630.29/119,310.70
  6. Step 6: Final answer
    x = 89,511.49

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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.