Home / 147,616.25-221,422.55-47,774.23

Finding the Fourth Proportional to 147,616.25, 221,422.55 and 47,774.23

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Solution

The fourth proportional to 147,616.25, 221,422.55 and 47,774.23 is: 71,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616.25 : 221,422.55 = 47,774.23 : x
  2. Step 2: Convert to fraction form
    147,616.25/221,422.55 = 47,774.23/x
  3. Step 3: Cross multiply
    147,616.25x = 221,422.55 × 47,774.23
  4. Step 4: Simplify right side
    147,616.25x = 10,578,291,038.46
  5. Step 5: Solve for x
    x = 10,578,291,038.46/147,616.25
  6. Step 6: Final answer
    x = 71,660.75

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1.5x scale

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.