Home / 133,017.79-183,549.51-76,447.39

Finding the Fourth Proportional to 133,017.79, 183,549.51 and 76,447.39

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Solution

The fourth proportional to 133,017.79, 183,549.51 and 76,447.39 is: 105,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.79 : 183,549.51 = 76,447.39 : x
  2. Step 2: Convert to fraction form
    133,017.79/183,549.51 = 76,447.39/x
  3. Step 3: Cross multiply
    133,017.79x = 183,549.51 × 76,447.39
  4. Step 4: Simplify right side
    133,017.79x = 14,031,879,675.29
  5. Step 5: Solve for x
    x = 14,031,879,675.29/133,017.79
  6. Step 6: Final answer
    x = 105,488.75

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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.