Home / 166,256.16-249,346.24-66,389.55

Finding the Fourth Proportional to 166,256.16, 249,346.24 and 66,389.55

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Solution

The fourth proportional to 166,256.16, 249,346.24 and 66,389.55 is: 99,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,256.16 : 249,346.24 = 66,389.55 : x
  2. Step 2: Convert to fraction form
    166,256.16/249,346.24 = 66,389.55/x
  3. Step 3: Cross multiply
    166,256.16x = 249,346.24 × 66,389.55
  4. Step 4: Simplify right side
    166,256.16x = 16,553,984,667.79
  5. Step 5: Solve for x
    x = 16,553,984,667.79/166,256.16
  6. Step 6: Final answer
    x = 99,569.15

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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.