Home / 109,051.26-163,509.90-42,413.72

Finding the Fourth Proportional to 109,051.26, 163,509.90 and 42,413.72

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Solution

The fourth proportional to 109,051.26, 163,509.90 and 42,413.72 is: 63,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051.26 : 163,509.90 = 42,413.72 : x
  2. Step 2: Convert to fraction form
    109,051.26/163,509.90 = 42,413.72/x
  3. Step 3: Cross multiply
    109,051.26x = 163,509.90 × 42,413.72
  4. Step 4: Simplify right side
    109,051.26x = 6,935,062,298.28
  5. Step 5: Solve for x
    x = 6,935,062,298.28/109,051.26
  6. Step 6: Final answer
    x = 63,594.52

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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.