Home / 119,926.30-165,495-66,210.34

Finding the Fourth Proportional to 119,926.30, 165,495 and 66,210.34

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Solution

The fourth proportional to 119,926.30, 165,495 and 66,210.34 is: 91,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.30 : 165,495 = 66,210.34 : x
  2. Step 2: Convert to fraction form
    119,926.30/165,495 = 66,210.34/x
  3. Step 3: Cross multiply
    119,926.30x = 165,495 × 66,210.34
  4. Step 4: Simplify right side
    119,926.30x = 10,957,480,218.30
  5. Step 5: Solve for x
    x = 10,957,480,218.30/119,926.30
  6. Step 6: Final answer
    x = 91,368.45

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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.