Home / 126,048.83-173,931.64-85,302.05

Finding the Fourth Proportional to 126,048.83, 173,931.64 and 85,302.05

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Solution

The fourth proportional to 126,048.83, 173,931.64 and 85,302.05 is: 117,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048.83 : 173,931.64 = 85,302.05 : x
  2. Step 2: Convert to fraction form
    126,048.83/173,931.64 = 85,302.05/x
  3. Step 3: Cross multiply
    126,048.83x = 173,931.64 × 85,302.05
  4. Step 4: Simplify right side
    126,048.83x = 14,836,724,368.95
  5. Step 5: Solve for x
    x = 14,836,724,368.95/126,048.83
  6. Step 6: Final answer
    x = 117,706.17

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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.