Home / 166,475.23-249,680.26-138,574.51

Finding the Fourth Proportional to 166,475.23, 249,680.26 and 138,574.51

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Solution

The fourth proportional to 166,475.23, 249,680.26 and 138,574.51 is: 207,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,475.23 : 249,680.26 = 138,574.51 : x
  2. Step 2: Convert to fraction form
    166,475.23/249,680.26 = 138,574.51/x
  3. Step 3: Cross multiply
    166,475.23x = 249,680.26 × 138,574.51
  4. Step 4: Simplify right side
    166,475.23x = 34,599,319,686.17
  5. Step 5: Solve for x
    x = 34,599,319,686.17/166,475.23
  6. Step 6: Final answer
    x = 207,834.64

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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.