Home / 149,041.20-223,561.80-38,233.20

Finding the Fourth Proportional to 149,041.20, 223,561.80 and 38,233.20

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Solution

The fourth proportional to 149,041.20, 223,561.80 and 38,233.20 is: 57,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,041.20 : 223,561.80 = 38,233.20 : x
  2. Step 2: Convert to fraction form
    149,041.20/223,561.80 = 38,233.20/x
  3. Step 3: Cross multiply
    149,041.20x = 223,561.80 × 38,233.20
  4. Step 4: Simplify right side
    149,041.20x = 8,547,483,011.76
  5. Step 5: Solve for x
    x = 8,547,483,011.76/149,041.20
  6. Step 6: Final answer
    x = 57,349.80

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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.