Home / 105,476.64-158,216.58-42,302.34

Finding the Fourth Proportional to 105,476.64, 158,216.58 and 42,302.34

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Solution

The fourth proportional to 105,476.64, 158,216.58 and 42,302.34 is: 63,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,476.64 : 158,216.58 = 42,302.34 : x
  2. Step 2: Convert to fraction form
    105,476.64/158,216.58 = 42,302.34/x
  3. Step 3: Cross multiply
    105,476.64x = 158,216.58 × 42,302.34
  4. Step 4: Simplify right side
    105,476.64x = 6,692,931,560.80
  5. Step 5: Solve for x
    x = 6,692,931,560.80/105,476.64
  6. Step 6: Final answer
    x = 63,454.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.