Home / 127,030.12-190,618.98-56,909.43

Finding the Fourth Proportional to 127,030.12, 190,618.98 and 56,909.43

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Solution

The fourth proportional to 127,030.12, 190,618.98 and 56,909.43 is: 85,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,030.12 : 190,618.98 = 56,909.43 : x
  2. Step 2: Convert to fraction form
    127,030.12/190,618.98 = 56,909.43/x
  3. Step 3: Cross multiply
    127,030.12x = 190,618.98 × 56,909.43
  4. Step 4: Simplify right side
    127,030.12x = 10,848,017,498.98
  5. Step 5: Solve for x
    x = 10,848,017,498.98/127,030.12
  6. Step 6: Final answer
    x = 85,397.21

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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.