Home / 176,306.44-243,406.72-107,421.89

Finding the Fourth Proportional to 176,306.44, 243,406.72 and 107,421.89

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Solution

The fourth proportional to 176,306.44, 243,406.72 and 107,421.89 is: 148,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,306.44 : 243,406.72 = 107,421.89 : x
  2. Step 2: Convert to fraction form
    176,306.44/243,406.72 = 107,421.89/x
  3. Step 3: Cross multiply
    176,306.44x = 243,406.72 × 107,421.89
  4. Step 4: Simplify right side
    176,306.44x = 26,147,208,415.51
  5. Step 5: Solve for x
    x = 26,147,208,415.51/176,306.44
  6. Step 6: Final answer
    x = 148,305.47

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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.