Home / 142,527.04-213,821.12-52,570.08

Finding the Fourth Proportional to 142,527.04, 213,821.12 and 52,570.08

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Solution

The fourth proportional to 142,527.04, 213,821.12 and 52,570.08 is: 78,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,527.04 : 213,821.12 = 52,570.08 : x
  2. Step 2: Convert to fraction form
    142,527.04/213,821.12 = 52,570.08/x
  3. Step 3: Cross multiply
    142,527.04x = 213,821.12 × 52,570.08
  4. Step 4: Simplify right side
    142,527.04x = 11,240,593,384.09
  5. Step 5: Solve for x
    x = 11,240,593,384.09/142,527.04
  6. Step 6: Final answer
    x = 78,866.39

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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.