Home / 119,328.30-164,669.90-64,878.75

Finding the Fourth Proportional to 119,328.30, 164,669.90 and 64,878.75

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Solution

The fourth proportional to 119,328.30, 164,669.90 and 64,878.75 is: 89,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328.30 : 164,669.90 = 64,878.75 : x
  2. Step 2: Convert to fraction form
    119,328.30/164,669.90 = 64,878.75/x
  3. Step 3: Cross multiply
    119,328.30x = 164,669.90 × 64,878.75
  4. Step 4: Simplify right side
    119,328.30x = 10,683,576,950.23
  5. Step 5: Solve for x
    x = 10,683,576,950.23/119,328.30
  6. Step 6: Final answer
    x = 89,530.96

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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.