Home / 145,048.85-217,536.35-45,190.43

Finding the Fourth Proportional to 145,048.85, 217,536.35 and 45,190.43

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Solution

The fourth proportional to 145,048.85, 217,536.35 and 45,190.43 is: 67,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,048.85 : 217,536.35 = 45,190.43 : x
  2. Step 2: Convert to fraction form
    145,048.85/217,536.35 = 45,190.43/x
  3. Step 3: Cross multiply
    145,048.85x = 217,536.35 × 45,190.43
  4. Step 4: Simplify right side
    145,048.85x = 9,830,559,883.50
  5. Step 5: Solve for x
    x = 9,830,559,883.50/145,048.85
  6. Step 6: Final answer
    x = 67,774.13

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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.