Home / 133,017.29-183,548.82-76,446.89

Finding the Fourth Proportional to 133,017.29, 183,548.82 and 76,446.89

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Solution

The fourth proportional to 133,017.29, 183,548.82 and 76,446.89 is: 105,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.29 : 183,548.82 = 76,446.89 : x
  2. Step 2: Convert to fraction form
    133,017.29/183,548.82 = 76,446.89/x
  3. Step 3: Cross multiply
    133,017.29x = 183,548.82 × 76,446.89
  4. Step 4: Simplify right side
    133,017.29x = 14,031,735,152.19
  5. Step 5: Solve for x
    x = 14,031,735,152.19/133,017.29
  6. Step 6: Final answer
    x = 105,488.06

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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.