Home / 216,650.08-299,018.48-145,154.76

Finding the Fourth Proportional to 216,650.08, 299,018.48 and 145,154.76

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Solution

The fourth proportional to 216,650.08, 299,018.48 and 145,154.76 is: 200,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650.08 : 299,018.48 = 145,154.76 : x
  2. Step 2: Convert to fraction form
    216,650.08/299,018.48 = 145,154.76/x
  3. Step 3: Cross multiply
    216,650.08x = 299,018.48 × 145,154.76
  4. Step 4: Simplify right side
    216,650.08x = 43,403,955,699.96
  5. Step 5: Solve for x
    x = 43,403,955,699.96/216,650.08
  6. Step 6: Final answer
    x = 200,341.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.