Home / 145,849.10-218,746.65-40,646.30

Finding the Fourth Proportional to 145,849.10, 218,746.65 and 40,646.30

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Solution

The fourth proportional to 145,849.10, 218,746.65 and 40,646.30 is: 60,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,849.10 : 218,746.65 = 40,646.30 : x
  2. Step 2: Convert to fraction form
    145,849.10/218,746.65 = 40,646.30/x
  3. Step 3: Cross multiply
    145,849.10x = 218,746.65 × 40,646.30
  4. Step 4: Simplify right side
    145,849.10x = 8,891,241,959.90
  5. Step 5: Solve for x
    x = 8,891,241,959.90/145,849.10
  6. Step 6: Final answer
    x = 60,961.93

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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.