Home / 127,161.02-175,478.66-69,800.30

Finding the Fourth Proportional to 127,161.02, 175,478.66 and 69,800.30

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Solution

The fourth proportional to 127,161.02, 175,478.66 and 69,800.30 is: 96,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161.02 : 175,478.66 = 69,800.30 : x
  2. Step 2: Convert to fraction form
    127,161.02/175,478.66 = 69,800.30/x
  3. Step 3: Cross multiply
    127,161.02x = 175,478.66 × 69,800.30
  4. Step 4: Simplify right side
    127,161.02x = 12,248,463,111.60
  5. Step 5: Solve for x
    x = 12,248,463,111.60/127,161.02
  6. Step 6: Final answer
    x = 96,322.47

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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.