Home / 127,115.76-175,419.36-70,532.40

Finding the Fourth Proportional to 127,115.76, 175,419.36 and 70,532.40

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Solution

The fourth proportional to 127,115.76, 175,419.36 and 70,532.40 is: 97,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.76 : 175,419.36 = 70,532.40 : x
  2. Step 2: Convert to fraction form
    127,115.76/175,419.36 = 70,532.40/x
  3. Step 3: Cross multiply
    127,115.76x = 175,419.36 × 70,532.40
  4. Step 4: Simplify right side
    127,115.76x = 12,372,748,467.26
  5. Step 5: Solve for x
    x = 12,372,748,467.26/127,115.76
  6. Step 6: Final answer
    x = 97,334.50

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1.5x scale

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.