Home / 219,090.73-302,348.15-123,597.13

Finding the Fourth Proportional to 219,090.73, 302,348.15 and 123,597.13

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Solution

The fourth proportional to 219,090.73, 302,348.15 and 123,597.13 is: 170,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,090.73 : 302,348.15 = 123,597.13 : x
  2. Step 2: Convert to fraction form
    219,090.73/302,348.15 = 123,597.13/x
  3. Step 3: Cross multiply
    219,090.73x = 302,348.15 × 123,597.13
  4. Step 4: Simplify right side
    219,090.73x = 37,369,363,600.81
  5. Step 5: Solve for x
    x = 37,369,363,600.81/219,090.73
  6. Step 6: Final answer
    x = 170,565.70

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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.