Home / 149,254.76-223,911.68-42,639.63

Finding the Fourth Proportional to 149,254.76, 223,911.68 and 42,639.63

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Solution

The fourth proportional to 149,254.76, 223,911.68 and 42,639.63 is: 63,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,254.76 : 223,911.68 = 42,639.63 : x
  2. Step 2: Convert to fraction form
    149,254.76/223,911.68 = 42,639.63/x
  3. Step 3: Cross multiply
    149,254.76x = 223,911.68 × 42,639.63
  4. Step 4: Simplify right side
    149,254.76x = 9,547,510,974.68
  5. Step 5: Solve for x
    x = 9,547,510,974.68/149,254.76
  6. Step 6: Final answer
    x = 63,967.88

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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.