Home / 161,502.86-242,075.91-66,680.77

Finding the Fourth Proportional to 161,502.86, 242,075.91 and 66,680.77

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Solution

The fourth proportional to 161,502.86, 242,075.91 and 66,680.77 is: 99,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502.86 : 242,075.91 = 66,680.77 : x
  2. Step 2: Convert to fraction form
    161,502.86/242,075.91 = 66,680.77/x
  3. Step 3: Cross multiply
    161,502.86x = 242,075.91 × 66,680.77
  4. Step 4: Simplify right side
    161,502.86x = 16,141,807,800.93
  5. Step 5: Solve for x
    x = 16,141,807,800.93/161,502.86
  6. Step 6: Final answer
    x = 99,947.50

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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.