Home / 127,273.39-175,632.45-70,688.41

Finding the Fourth Proportional to 127,273.39, 175,632.45 and 70,688.41

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Solution

The fourth proportional to 127,273.39, 175,632.45 and 70,688.41 is: 97,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,273.39 : 175,632.45 = 70,688.41 : x
  2. Step 2: Convert to fraction form
    127,273.39/175,632.45 = 70,688.41/x
  3. Step 3: Cross multiply
    127,273.39x = 175,632.45 × 70,688.41
  4. Step 4: Simplify right side
    127,273.39x = 12,415,178,634.90
  5. Step 5: Solve for x
    x = 12,415,178,634.90/127,273.39
  6. Step 6: Final answer
    x = 97,547.32

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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.