Home / 147,331.38-221,031.06-46,123.68

Finding the Fourth Proportional to 147,331.38, 221,031.06 and 46,123.68

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Solution

The fourth proportional to 147,331.38, 221,031.06 and 46,123.68 is: 69,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,331.38 : 221,031.06 = 46,123.68 : x
  2. Step 2: Convert to fraction form
    147,331.38/221,031.06 = 46,123.68/x
  3. Step 3: Cross multiply
    147,331.38x = 221,031.06 × 46,123.68
  4. Step 4: Simplify right side
    147,331.38x = 10,194,765,881.50
  5. Step 5: Solve for x
    x = 10,194,765,881.50/147,331.38
  6. Step 6: Final answer
    x = 69,196.16

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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.