Home / 98,127.50-147,192.70-28,006.86

Finding the Fourth Proportional to 98,127.50, 147,192.70 and 28,006.86

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Solution

The fourth proportional to 98,127.50, 147,192.70 and 28,006.86 is: 42,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,127.50 : 147,192.70 = 28,006.86 : x
  2. Step 2: Convert to fraction form
    98,127.50/147,192.70 = 28,006.86/x
  3. Step 3: Cross multiply
    98,127.50x = 147,192.70 × 28,006.86
  4. Step 4: Simplify right side
    98,127.50x = 4,122,405,341.92
  5. Step 5: Solve for x
    x = 4,122,405,341.92/98,127.50
  6. Step 6: Final answer
    x = 42,010.70

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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.