Home / 166,427.10-249,640.65-66,602.70

Finding the Fourth Proportional to 166,427.10, 249,640.65 and 66,602.70

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Solution

The fourth proportional to 166,427.10, 249,640.65 and 66,602.70 is: 99,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.10 : 249,640.65 = 66,602.70 : x
  2. Step 2: Convert to fraction form
    166,427.10/249,640.65 = 66,602.70/x
  3. Step 3: Cross multiply
    166,427.10x = 249,640.65 × 66,602.70
  4. Step 4: Simplify right side
    166,427.10x = 16,626,741,319.76
  5. Step 5: Solve for x
    x = 16,626,741,319.76/166,427.10
  6. Step 6: Final answer
    x = 99,904.05

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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.