Home / 166,637.09-249,981.55-54,291.15

Finding the Fourth Proportional to 166,637.09, 249,981.55 and 54,291.15

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Solution

The fourth proportional to 166,637.09, 249,981.55 and 54,291.15 is: 81,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637.09 : 249,981.55 = 54,291.15 : x
  2. Step 2: Convert to fraction form
    166,637.09/249,981.55 = 54,291.15/x
  3. Step 3: Cross multiply
    166,637.09x = 249,981.55 × 54,291.15
  4. Step 4: Simplify right side
    166,637.09x = 13,571,785,828.28
  5. Step 5: Solve for x
    x = 13,571,785,828.28/166,637.09
  6. Step 6: Final answer
    x = 81,445.17

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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.