Home / 142,332.42-213,426.14-47,528.52

Finding the Fourth Proportional to 142,332.42, 213,426.14 and 47,528.52

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Solution

The fourth proportional to 142,332.42, 213,426.14 and 47,528.52 is: 71,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,332.42 : 213,426.14 = 47,528.52 : x
  2. Step 2: Convert to fraction form
    142,332.42/213,426.14 = 47,528.52/x
  3. Step 3: Cross multiply
    142,332.42x = 213,426.14 × 47,528.52
  4. Step 4: Simplify right side
    142,332.42x = 10,143,828,563.51
  5. Step 5: Solve for x
    x = 10,143,828,563.51/142,332.42
  6. Step 6: Final answer
    x = 71,268.57

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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.