Home / 147,864.88-221,885.16-54,436.24

Finding the Fourth Proportional to 147,864.88, 221,885.16 and 54,436.24

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Solution

The fourth proportional to 147,864.88, 221,885.16 and 54,436.24 is: 81,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,864.88 : 221,885.16 = 54,436.24 : x
  2. Step 2: Convert to fraction form
    147,864.88/221,885.16 = 54,436.24/x
  3. Step 3: Cross multiply
    147,864.88x = 221,885.16 × 54,436.24
  4. Step 4: Simplify right side
    147,864.88x = 12,078,593,822.20
  5. Step 5: Solve for x
    x = 12,078,593,822.20/147,864.88
  6. Step 6: Final answer
    x = 81,686.70

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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.