Home / 161,532.48-242,298.84-77,272.76

Finding the Fourth Proportional to 161,532.48, 242,298.84 and 77,272.76

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Solution

The fourth proportional to 161,532.48, 242,298.84 and 77,272.76 is: 115,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.48 : 242,298.84 = 77,272.76 : x
  2. Step 2: Convert to fraction form
    161,532.48/242,298.84 = 77,272.76/x
  3. Step 3: Cross multiply
    161,532.48x = 242,298.84 × 77,272.76
  4. Step 4: Simplify right side
    161,532.48x = 18,723,100,111.60
  5. Step 5: Solve for x
    x = 18,723,100,111.60/161,532.48
  6. Step 6: Final answer
    x = 115,909.20

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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.