Home / 147,939.20-221,908.80-59,206.40

Finding the Fourth Proportional to 147,939.20, 221,908.80 and 59,206.40

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Solution

The fourth proportional to 147,939.20, 221,908.80 and 59,206.40 is: 88,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,939.20 : 221,908.80 = 59,206.40 : x
  2. Step 2: Convert to fraction form
    147,939.20/221,908.80 = 59,206.40/x
  3. Step 3: Cross multiply
    147,939.20x = 221,908.80 × 59,206.40
  4. Step 4: Simplify right side
    147,939.20x = 13,138,421,176.32
  5. Step 5: Solve for x
    x = 13,138,421,176.32/147,939.20
  6. Step 6: Final answer
    x = 88,809.60

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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.