Home / 145,004.19-217,585.57-56,261.20

Finding the Fourth Proportional to 145,004.19, 217,585.57 and 56,261.20

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Solution

The fourth proportional to 145,004.19, 217,585.57 and 56,261.20 is: 84,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.19 : 217,585.57 = 56,261.20 : x
  2. Step 2: Convert to fraction form
    145,004.19/217,585.57 = 56,261.20/x
  3. Step 3: Cross multiply
    145,004.19x = 217,585.57 × 56,261.20
  4. Step 4: Simplify right side
    145,004.19x = 12,241,625,613.19
  5. Step 5: Solve for x
    x = 12,241,625,613.19/145,004.19
  6. Step 6: Final answer
    x = 84,422.56

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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.