Home / 147,725.20-221,643.63-57,832.15

Finding the Fourth Proportional to 147,725.20, 221,643.63 and 57,832.15

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Solution

The fourth proportional to 147,725.20, 221,643.63 and 57,832.15 is: 86,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,725.20 : 221,643.63 = 57,832.15 : x
  2. Step 2: Convert to fraction form
    147,725.20/221,643.63 = 57,832.15/x
  3. Step 3: Cross multiply
    147,725.20x = 221,643.63 × 57,832.15
  4. Step 4: Simplify right side
    147,725.20x = 12,818,127,656.70
  5. Step 5: Solve for x
    x = 12,818,127,656.70/147,725.20
  6. Step 6: Final answer
    x = 86,770.08

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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.