Home / 114,705.20-158,265.48-66,931.28

Finding the Fourth Proportional to 114,705.20, 158,265.48 and 66,931.28

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Solution

The fourth proportional to 114,705.20, 158,265.48 and 66,931.28 is: 92,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,705.20 : 158,265.48 = 66,931.28 : x
  2. Step 2: Convert to fraction form
    114,705.20/158,265.48 = 66,931.28/x
  3. Step 3: Cross multiply
    114,705.20x = 158,265.48 × 66,931.28
  4. Step 4: Simplify right side
    114,705.20x = 10,592,911,156.21
  5. Step 5: Solve for x
    x = 10,592,911,156.21/114,705.20
  6. Step 6: Final answer
    x = 92,349.01

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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.