Home / 133,031.16-183,614.52-76,475.40

Finding the Fourth Proportional to 133,031.16, 183,614.52 and 76,475.40

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Solution

The fourth proportional to 133,031.16, 183,614.52 and 76,475.40 is: 105,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.16 : 183,614.52 = 76,475.40 : x
  2. Step 2: Convert to fraction form
    133,031.16/183,614.52 = 76,475.40/x
  3. Step 3: Cross multiply
    133,031.16x = 183,614.52 × 76,475.40
  4. Step 4: Simplify right side
    133,031.16x = 14,041,993,862.81
  5. Step 5: Solve for x
    x = 14,041,993,862.81/133,031.16
  6. Step 6: Final answer
    x = 105,554.17

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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.