Home / 245,111.20-367,666.80-161,130.40

Finding the Fourth Proportional to 245,111.20, 367,666.80 and 161,130.40

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Solution

The fourth proportional to 245,111.20, 367,666.80 and 161,130.40 is: 241,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,111.20 : 367,666.80 = 161,130.40 : x
  2. Step 2: Convert to fraction form
    245,111.20/367,666.80 = 161,130.40/x
  3. Step 3: Cross multiply
    245,111.20x = 367,666.80 × 161,130.40
  4. Step 4: Simplify right side
    245,111.20x = 59,242,298,550.72
  5. Step 5: Solve for x
    x = 59,242,298,550.72/245,111.20
  6. Step 6: Final answer
    x = 241,695.60

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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.