Home / 127,272.23-175,636.10-70,683.61

Finding the Fourth Proportional to 127,272.23, 175,636.10 and 70,683.61

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Solution

The fourth proportional to 127,272.23, 175,636.10 and 70,683.61 is: 97,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.23 : 175,636.10 = 70,683.61 : x
  2. Step 2: Convert to fraction form
    127,272.23/175,636.10 = 70,683.61/x
  3. Step 3: Cross multiply
    127,272.23x = 175,636.10 × 70,683.61
  4. Step 4: Simplify right side
    127,272.23x = 12,414,592,801.81
  5. Step 5: Solve for x
    x = 12,414,592,801.81/127,272.23
  6. Step 6: Final answer
    x = 97,543.61

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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.