Home / 133,038.69-199,592.60-66,476.13

Finding the Fourth Proportional to 133,038.69, 199,592.60 and 66,476.13

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Solution

The fourth proportional to 133,038.69, 199,592.60 and 66,476.13 is: 99,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.69 : 199,592.60 = 66,476.13 : x
  2. Step 2: Convert to fraction form
    133,038.69/199,592.60 = 66,476.13/x
  3. Step 3: Cross multiply
    133,038.69x = 199,592.60 × 66,476.13
  4. Step 4: Simplify right side
    133,038.69x = 13,268,143,292.26
  5. Step 5: Solve for x
    x = 13,268,143,292.26/133,038.69
  6. Step 6: Final answer
    x = 99,731.46

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1.5x scale

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.