Home / 127,302.11-190,988.91-37,346.95

Finding the Fourth Proportional to 127,302.11, 190,988.91 and 37,346.95

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Solution

The fourth proportional to 127,302.11, 190,988.91 and 37,346.95 is: 56,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,302.11 : 190,988.91 = 37,346.95 : x
  2. Step 2: Convert to fraction form
    127,302.11/190,988.91 = 37,346.95/x
  3. Step 3: Cross multiply
    127,302.11x = 190,988.91 × 37,346.95
  4. Step 4: Simplify right side
    127,302.11x = 7,132,853,511.06
  5. Step 5: Solve for x
    x = 7,132,853,511.06/127,302.11
  6. Step 6: Final answer
    x = 56,030.91

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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.