Home / 127,000.86-175,269-70,412.23

Finding the Fourth Proportional to 127,000.86, 175,269 and 70,412.23

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Solution

The fourth proportional to 127,000.86, 175,269 and 70,412.23 is: 97,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.86 : 175,269 = 70,412.23 : x
  2. Step 2: Convert to fraction form
    127,000.86/175,269 = 70,412.23/x
  3. Step 3: Cross multiply
    127,000.86x = 175,269 × 70,412.23
  4. Step 4: Simplify right side
    127,000.86x = 12,341,081,139.87
  5. Step 5: Solve for x
    x = 12,341,081,139.87/127,000.86
  6. Step 6: Final answer
    x = 97,173.21

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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.