Home / 142,301.79-213,475.73-43,782.75

Finding the Fourth Proportional to 142,301.79, 213,475.73 and 43,782.75

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Solution

The fourth proportional to 142,301.79, 213,475.73 and 43,782.75 is: 65,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,301.79 : 213,475.73 = 43,782.75 : x
  2. Step 2: Convert to fraction form
    142,301.79/213,475.73 = 43,782.75/x
  3. Step 3: Cross multiply
    142,301.79x = 213,475.73 × 43,782.75
  4. Step 4: Simplify right side
    142,301.79x = 9,346,554,298.74
  5. Step 5: Solve for x
    x = 9,346,554,298.74/142,301.79
  6. Step 6: Final answer
    x = 65,681.21

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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.