Home / 152,371.85-210,276.10-91,180.96

Finding the Fourth Proportional to 152,371.85, 210,276.10 and 91,180.96

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Solution

The fourth proportional to 152,371.85, 210,276.10 and 91,180.96 is: 125,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,371.85 : 210,276.10 = 91,180.96 : x
  2. Step 2: Convert to fraction form
    152,371.85/210,276.10 = 91,180.96/x
  3. Step 3: Cross multiply
    152,371.85x = 210,276.10 × 91,180.96
  4. Step 4: Simplify right side
    152,371.85x = 19,173,176,251.34
  5. Step 5: Solve for x
    x = 19,173,176,251.34/152,371.85
  6. Step 6: Final answer
    x = 125,831.49

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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.