Home / 149,130.65-223,508.68-89,203.34

Finding the Fourth Proportional to 149,130.65, 223,508.68 and 89,203.34

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Solution

The fourth proportional to 149,130.65, 223,508.68 and 89,203.34 is: 133,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,130.65 : 223,508.68 = 89,203.34 : x
  2. Step 2: Convert to fraction form
    149,130.65/223,508.68 = 89,203.34/x
  3. Step 3: Cross multiply
    149,130.65x = 223,508.68 × 89,203.34
  4. Step 4: Simplify right side
    149,130.65x = 19,937,720,774.99
  5. Step 5: Solve for x
    x = 19,937,720,774.99/149,130.65
  6. Step 6: Final answer
    x = 133,692.98

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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.