Home / 144,130.32-216,328.38-73,102.80

Finding the Fourth Proportional to 144,130.32, 216,328.38 and 73,102.80

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Solution

The fourth proportional to 144,130.32, 216,328.38 and 73,102.80 is: 109,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,130.32 : 216,328.38 = 73,102.80 : x
  2. Step 2: Convert to fraction form
    144,130.32/216,328.38 = 73,102.80/x
  3. Step 3: Cross multiply
    144,130.32x = 216,328.38 × 73,102.80
  4. Step 4: Simplify right side
    144,130.32x = 15,814,210,297.46
  5. Step 5: Solve for x
    x = 15,814,210,297.46/144,130.32
  6. Step 6: Final answer
    x = 109,721.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.