Home / 127,412.39-175,831.05-70,054.20

Finding the Fourth Proportional to 127,412.39, 175,831.05 and 70,054.20

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Solution

The fourth proportional to 127,412.39, 175,831.05 and 70,054.20 is: 96,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.39 : 175,831.05 = 70,054.20 : x
  2. Step 2: Convert to fraction form
    127,412.39/175,831.05 = 70,054.20/x
  3. Step 3: Cross multiply
    127,412.39x = 175,831.05 × 70,054.20
  4. Step 4: Simplify right side
    127,412.39x = 12,317,703,805.61
  5. Step 5: Solve for x
    x = 12,317,703,805.61/127,412.39
  6. Step 6: Final answer
    x = 96,675.87

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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.