Home / 140,341.32-210,509.02-45,571.40

Finding the Fourth Proportional to 140,341.32, 210,509.02 and 45,571.40

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Solution

The fourth proportional to 140,341.32, 210,509.02 and 45,571.40 is: 68,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,341.32 : 210,509.02 = 45,571.40 : x
  2. Step 2: Convert to fraction form
    140,341.32/210,509.02 = 45,571.40/x
  3. Step 3: Cross multiply
    140,341.32x = 210,509.02 × 45,571.40
  4. Step 4: Simplify right side
    140,341.32x = 9,593,190,754.03
  5. Step 5: Solve for x
    x = 9,593,190,754.03/140,341.32
  6. Step 6: Final answer
    x = 68,356.14

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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.