Home / 127,008.56-175,281.72-70,430.96

Finding the Fourth Proportional to 127,008.56, 175,281.72 and 70,430.96

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Solution

The fourth proportional to 127,008.56, 175,281.72 and 70,430.96 is: 97,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.56 : 175,281.72 = 70,430.96 : x
  2. Step 2: Convert to fraction form
    127,008.56/175,281.72 = 70,430.96/x
  3. Step 3: Cross multiply
    127,008.56x = 175,281.72 × 70,430.96
  4. Step 4: Simplify right side
    127,008.56x = 12,345,259,810.05
  5. Step 5: Solve for x
    x = 12,345,259,810.05/127,008.56
  6. Step 6: Final answer
    x = 97,200.22

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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.