Home / 133,038.99-183,587.31-72,608.13

Finding the Fourth Proportional to 133,038.99, 183,587.31 and 72,608.13

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Solution

The fourth proportional to 133,038.99, 183,587.31 and 72,608.13 is: 100,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.99 : 183,587.31 = 72,608.13 : x
  2. Step 2: Convert to fraction form
    133,038.99/183,587.31 = 72,608.13/x
  3. Step 3: Cross multiply
    133,038.99x = 183,587.31 × 72,608.13
  4. Step 4: Simplify right side
    133,038.99x = 13,329,931,270.83
  5. Step 5: Solve for x
    x = 13,329,931,270.83/133,038.99
  6. Step 6: Final answer
    x = 100,195.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.