Home / 89,783.20-134,413.76-52,228.76

Finding the Fourth Proportional to 89,783.20, 134,413.76 and 52,228.76

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Solution

The fourth proportional to 89,783.20, 134,413.76 and 52,228.76 is: 78,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,783.20 : 134,413.76 = 52,228.76 : x
  2. Step 2: Convert to fraction form
    89,783.20/134,413.76 = 52,228.76/x
  3. Step 3: Cross multiply
    89,783.20x = 134,413.76 × 52,228.76
  4. Step 4: Simplify right side
    89,783.20x = 7,020,264,011.74
  5. Step 5: Solve for x
    x = 7,020,264,011.74/89,783.20
  6. Step 6: Final answer
    x = 78,191.29

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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.