Home / 133,048.88-183,607.45-90,681.42

Finding the Fourth Proportional to 133,048.88, 183,607.45 and 90,681.42

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Solution

The fourth proportional to 133,048.88, 183,607.45 and 90,681.42 is: 125,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.88 : 183,607.45 = 90,681.42 : x
  2. Step 2: Convert to fraction form
    133,048.88/183,607.45 = 90,681.42/x
  3. Step 3: Cross multiply
    133,048.88x = 183,607.45 × 90,681.42
  4. Step 4: Simplify right side
    133,048.88x = 16,649,784,061.88
  5. Step 5: Solve for x
    x = 16,649,784,061.88/133,048.88
  6. Step 6: Final answer
    x = 125,140.36

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1.5x scale

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.