Home / 219,077.86-302,325.13-123,615.62

Finding the Fourth Proportional to 219,077.86, 302,325.13 and 123,615.62

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Solution

The fourth proportional to 219,077.86, 302,325.13 and 123,615.62 is: 170,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,077.86 : 302,325.13 = 123,615.62 : x
  2. Step 2: Convert to fraction form
    219,077.86/302,325.13 = 123,615.62/x
  3. Step 3: Cross multiply
    219,077.86x = 302,325.13 × 123,615.62
  4. Step 4: Simplify right side
    219,077.86x = 37,372,108,386.53
  5. Step 5: Solve for x
    x = 37,372,108,386.53/219,077.86
  6. Step 6: Final answer
    x = 170,588.25

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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.