Home / 142,473.07-213,710.52-42,623.77

Finding the Fourth Proportional to 142,473.07, 213,710.52 and 42,623.77

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Solution

The fourth proportional to 142,473.07, 213,710.52 and 42,623.77 is: 63,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,473.07 : 213,710.52 = 42,623.77 : x
  2. Step 2: Convert to fraction form
    142,473.07/213,710.52 = 42,623.77/x
  3. Step 3: Cross multiply
    142,473.07x = 213,710.52 × 42,623.77
  4. Step 4: Simplify right side
    142,473.07x = 9,109,148,051.06
  5. Step 5: Solve for x
    x = 9,109,148,051.06/142,473.07
  6. Step 6: Final answer
    x = 63,935.93

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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.