Home / 147,389.68-221,116.08-47,555.52

Finding the Fourth Proportional to 147,389.68, 221,116.08 and 47,555.52

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Solution

The fourth proportional to 147,389.68, 221,116.08 and 47,555.52 is: 71,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,389.68 : 221,116.08 = 47,555.52 : x
  2. Step 2: Convert to fraction form
    147,389.68/221,116.08 = 47,555.52/x
  3. Step 3: Cross multiply
    147,389.68x = 221,116.08 × 47,555.52
  4. Step 4: Simplify right side
    147,389.68x = 10,515,290,164.76
  5. Step 5: Solve for x
    x = 10,515,290,164.76/147,389.68
  6. Step 6: Final answer
    x = 71,343.46

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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.