Home / 103,394.28-154,966.24-47,157.40

Finding the Fourth Proportional to 103,394.28, 154,966.24 and 47,157.40

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Solution

The fourth proportional to 103,394.28, 154,966.24 and 47,157.40 is: 70,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.28 : 154,966.24 = 47,157.40 : x
  2. Step 2: Convert to fraction form
    103,394.28/154,966.24 = 47,157.40/x
  3. Step 3: Cross multiply
    103,394.28x = 154,966.24 × 47,157.40
  4. Step 4: Simplify right side
    103,394.28x = 7,307,804,966.18
  5. Step 5: Solve for x
    x = 7,307,804,966.18/103,394.28
  6. Step 6: Final answer
    x = 70,679.01

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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.