Home / 161,666.69-242,501.85-70,472.43

Finding the Fourth Proportional to 161,666.69, 242,501.85 and 70,472.43

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Solution

The fourth proportional to 161,666.69, 242,501.85 and 70,472.43 is: 105,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,666.69 : 242,501.85 = 70,472.43 : x
  2. Step 2: Convert to fraction form
    161,666.69/242,501.85 = 70,472.43/x
  3. Step 3: Cross multiply
    161,666.69x = 242,501.85 × 70,472.43
  4. Step 4: Simplify right side
    161,666.69x = 17,089,694,649.00
  5. Step 5: Solve for x
    x = 17,089,694,649.00/161,666.69
  6. Step 6: Final answer
    x = 105,709.44

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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.