Home / 140,208.77-210,339.28-45,430.50

Finding the Fourth Proportional to 140,208.77, 210,339.28 and 45,430.50

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Solution

The fourth proportional to 140,208.77, 210,339.28 and 45,430.50 is: 68,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,208.77 : 210,339.28 = 45,430.50 : x
  2. Step 2: Convert to fraction form
    140,208.77/210,339.28 = 45,430.50/x
  3. Step 3: Cross multiply
    140,208.77x = 210,339.28 × 45,430.50
  4. Step 4: Simplify right side
    140,208.77x = 9,555,819,505.60
  5. Step 5: Solve for x
    x = 9,555,819,505.60/140,208.77
  6. Step 6: Final answer
    x = 68,154.22

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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.